Q: What is the sum of all factors of the number 20,120,031 excluding 20,120,031?

 A: 10,812,689

Why is 10,812,689 the sum of all factors of 20,120,031, excluding 20,120,031?

The factors of the number 20,120,031 are: 1, 3, 9, 19, 57, 97, 171, 291, 873, 1213, 1843, 3639, 5529, 10917, 16587, 23047, 69141, 117661, 207423, 352983, 1058949, 2235559, 6706677, 20120031.

If you add them up, you will get the total of 20,120,041. Now subtract 20,120,031 to get 10,812,689


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