20157745684

素因数分解:

$2^2\times {\mathrm{20357}}^1\times {\mathrm{247553}}^1$

素因数の和:267914

約数の個数: 12

約数和(自身を含む): 35277930324

約数和(自身を除く): 15120184640

約数列:

[1, 2, 4, 20357, 40714, 81428, 247553, 495106, 990212, 5039436421, 10078872842, 20157745684]

約数ペア:

[(1, 20157745684), (2, 10078872842), (4, 5039436421), (20357, 990212), (40714, 495106), (81428, 247553)]