20845316

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2531}}^1$

素因数の和:2635

約数の個数: 24

約数和(自身を含む): 38283840

約数和(自身を除く): 17438524

約数列:

[1, 2, 4, 29, 58, 71, 116, 142, 284, 2059, 2531, 4118, 5062, 8236, 10124, 73399, 146798, 179701, 293596, 359402, 718804, 5211329, 10422658, 20845316]

約数ペア:

[(1, 20845316), (2, 10422658), (4, 5211329), (29, 718804), (58, 359402), (71, 293596), (116, 179701), (142, 146798), (284, 73399), (2059, 10124), (2531, 8236), (4118, 5062)]