Q: What is the sum of all factors of the number 20,930 excluding 20,930?

 A: 27,454

Why is 27,454 the sum of all factors of 20,930, excluding 20,930?

The factors of the number 20,930 are: 1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 161, 182, 230, 299, 322, 455, 598, 805, 910, 1495, 1610, 2093, 2990, 4186, 10465, 20930.

If you add them up, you will get the total of 20,957. Now subtract 20,930 to get 27,454


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