20123409604

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{640139}}^1$

素因数の和:640443

約数の個数: 24

約数和(自身を含む): 36564796800

約数和(自身を除く): 16441387196

約数列:

[1, 2, 4, 29, 58, 116, 271, 542, 1084, 7859, 15718, 31436, 640139, 1280278, 2560556, 18564031, 37128062, 74256124, 173477669, 346955338, 693910676, 5030852401, 10061704802, 20123409604]

約数ペア:

[(1, 20123409604), (2, 10061704802), (4, 5030852401), (29, 693910676), (58, 346955338), (116, 173477669), (271, 74256124), (542, 37128062), (1084, 18564031), (7859, 2560556), (15718, 1280278), (31436, 640139)]