Q: What is the sum of all factors of the number 30,420,747 excluding 30,420,747?

 A: 20,554,229

Why is 20,554,229 the sum of all factors of 30,420,747, excluding 30,420,747?

The factors of the number 30,420,747 are: 1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 7207, 21621, 50449, 64863, 151347, 454041, 482869, 1448607, 3380083, 4345821, 10140249, 30420747.

If you add them up, you will get the total of 30,420,767. Now subtract 30,420,747 to get 20,554,229


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