10 and 4
The sum of the factors of any negative number is zero.
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
Factors of 20 are 1, 2, 4, 5, 10 and 20. And their sum is 1 + 2 + 4 + 5 + 10 + 20 = 32.
2,4,8,10 and 16 are factors of 400.
8 and 12 are factors of 20, 8 + 12 = 20
The prime factors of 14 are 2 and 7. 2 + 7 = 9.
-14 and -21
They are: 14 and 4
20 and 30.
To find the common factors of 14 and 98, we first list the factors of each number. The factors of 14 are 1, 2, 7, and 14, while the factors of 98 are 1, 2, 7, 14, 49, and 98. The common factors are 1, 2, 7, and 14. To find the sum of these common factors, we add them together: 1 + 2 + 7 + 14 = 24.
14 and 2