Why is 66,920 the sum of all factors of 28,668, including 28,668?
The factors of the number 28,668 are: 1, 2, 3, 4, 6, 12, 2389, 4778, 7167, 9556, 14334, 28668.
If you add them up, you will get the total of 66,920.
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