20512142696

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{54553571}}^1$

素因数の和:54553624

約数の個数: 16

約数和(自身を含む): 39278571840

約数和(自身を除く): 18766429144

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 54553571, 109107142, 218214284, 436428568, 2564017837, 5128035674, 10256071348, 20512142696]

約数ペア:

[(1, 20512142696), (2, 10256071348), (4, 5128035674), (8, 2564017837), (47, 436428568), (94, 218214284), (188, 109107142), (376, 54553571)]