Q: What is the sum of all factors of the number 20,690 excluding 20,690?

 A: 16,570

Why is 16,570 the sum of all factors of 20,690, excluding 20,690?

The factors of the number 20,690 are: 1, 2, 5, 10, 2069, 4138, 10345, 20690.

If you add them up, you will get the total of 20,706. Now subtract 20,690 to get 16,570


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