The sum of all integers from 1 to 20 inclusive is 210.
2 and 10. 2*10=20 2+10=12
1 and 5 are the factors of 20 which are odd.
The factors of 48 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48. Their sum is 124.
The sum of the positive factors of 504 is: 1,560
10 and -5 are factors of -20.
Factors for 20 are: 1, 2, 4, 5, 10, 20 Prime Factors: 2, 5 sum of prime factors = 2 + 5 = 7
2,4,8,10 and 16 are factors of 400.
8 and 12 are factors of 20, 8 + 12 = 20
26
10 and 4
20 and 30.
The sum of all the positive factors of 12 is 28.
26
You need at least two numbers to find something in common between them.
The two factors of 24 that give you a sum of 20 are 12 and 8.
10 and 2