Q: What is the sum of all factors of the number 212,020,005 excluding 212,020,005?

A: 158,767,323

Why is 158,767,323 the sum of all factors of 212,020,005, excluding 212,020,005?

The factors of the number 212,020,005 are: 1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 7905, 26821, 80463, 134105, 402315, 455957, 831451, 1367871, 2279785, 2494353, 4157255, 6839355, 12471765, 14134667, 42404001, 70673335, 212020005.

If you add them up, you will get the total of 212,020,163. Now subtract 212,020,005 to get 158,767,323