Q: What is the sum of all factors of the number 31,438 excluding 31,438?

 A: 20,042

Why is 20,042 the sum of all factors of 31,438, excluding 31,438?

The factors of the number 31,438 are: 1, 2, 11, 22, 1429, 2858, 15719, 31438.

If you add them up, you will get the total of 31,458. Now subtract 31,438 to get 20,042


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