20177288

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 39087360

約数和(自身を除く): 18910072

約数列:

[1, 2, 4, 8, 47, 94, 103, 188, 206, 376, 412, 521, 824, 1042, 2084, 4168, 4841, 9682, 19364, 24487, 38728, 48974, 53663, 97948, 107326, 195896, 214652, 429304, 2522161, 5044322, 10088644, 20177288]

約数ペア:

[(1, 20177288), (2, 10088644), (4, 5044322), (8, 2522161), (47, 429304), (94, 214652), (103, 195896), (188, 107326), (206, 97948), (376, 53663), (412, 48974), (521, 38728), (824, 24487), (1042, 19364), (2084, 9682), (4168, 4841)]