Q: What is the sum of all factors of the number 20,190 excluding 20,190?

A: 28,338

Why is 28,338 the sum of all factors of 20,190, excluding 20,190?

The factors of the number 20,190 are: 1, 2, 3, 5, 6, 10, 15, 30, 673, 1346, 2019, 3365, 4038, 6730, 10095, 20190.

If you add them up, you will get the total of 20,218. Now subtract 20,190 to get 28,338

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