Q: What is the sum of all factors of the number 12 excluding 12?

 A: 16

Why is 16 the sum of all factors of 12, excluding 12?

The factors of the number 12 are: 1, 2, 3, 4, 6, 12.

If you add them up, you will get the total of 28. Now subtract 12 to get 16


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