Q: What is the sum of all factors of the number 20,003,475 excluding 20,003,475?

A: 16,288,845

Why is 16,288,845 the sum of all factors of 20,003,475, excluding 20,003,475?

The factors of the number 20,003,475 are: 1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 425, 435, 493, 541, 725, 1275, 1479, 1623, 2175, 2465, 2705, 7395, 8115, 9197, 12325, 13525, 15689, 27591, 36975, 40575, 45985, 47067, 78445, 137955, 229925, 235335, 266713, 392225, 689775, 800139, 1176675, 1333565, 4000695, 6667825, 20003475.

If you add them up, you will get the total of 20,003,491. Now subtract 20,003,475 to get 16,288,845