Q: What is the sum of all factors of the number 15,123,020 excluding 15,123,020?

A: 20,203,348

Why is 20,203,348 the sum of all factors of 15,123,020, excluding 15,123,020?

The factors of the number 15,123,020 are: 1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 1297, 2332, 2594, 2915, 5188, 5830, 6485, 11660, 12970, 14267, 25940, 28534, 57068, 68741, 71335, 137482, 142670, 274964, 285340, 343705, 687410, 756151, 1374820, 1512302, 3024604, 3780755, 7561510, 15123020.

If you add them up, you will get the total of 15,123,040. Now subtract 15,123,020 to get 20,203,348