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Is the number 20 deficient perfect or abundant?
abundant
Is 20 an abundant deficient or perfect number?
Abundent
Is the number 20 a deficient number?
No; 20 is an abundant number. S = {1, 2, 4, 5, 10} is the set of all positive divisors of 20, excluding itself. The sum of these divisors = 1+2+4+5+10=22 which is greater than 20. Therefore 20 is an abundant number, not a deficient number. When the sum exceeds the number, the number is abundant. When the sum equals the number, the number is perfect. When the sum is less than the number, the number is deficient.
Is 20 a perfect number?
No it is not. The closest perfect number to it is 28. The divisors of 20 are 1,2,4,5,10 those add up to more than 20 so 20 is an abundant number.
Why is 20 a abundant number?
Let S be the set of the positive divisors of 20, excluding 20. S = {1, 2, 4, 5, 10} The sum of all the elements of S = 1 + 2 + 4 + 5 + 10 = 22 > 20. Therefore, 20 is an abundant number.
Is 60 an abundant number or a perfect number?
60 is abundant.
How can 74 become an abundant number?
If a number is not abundant it cannot be made abundant!
Why is 20 a abundant?
Let S be the set of the positive divisors of 20, excluding 20. S = {1, 2, 4, 5, 10} The sum of all the elements of S = 1 + 2 + 4 + 5 + 10 = 22 > 20. Therefore, 20 is an abundant number.
Is 29 an abundant number?
No, 29 is not an abundant number.
Is 55 a deficient number or a abundant number?
abundant
Is 67 an abundant number?
67 is an abundant number.
Is 72 an abundant number?
72 is an abundant number.
