20201110

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1699}}^1$

素因数の和:1776

約数の個数: 32

約数和(自身を含む): 38556000

約数和(自身を除く): 18354890

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 145, 205, 290, 410, 1189, 1699, 2378, 3398, 5945, 8495, 11890, 16990, 49271, 69659, 98542, 139318, 246355, 348295, 492710, 696590, 2020111, 4040222, 10100555, 20201110]

約数ペア:

[(1, 20201110), (2, 10100555), (5, 4040222), (10, 2020111), (29, 696590), (41, 492710), (58, 348295), (82, 246355), (145, 139318), (205, 98542), (290, 69659), (410, 49271), (1189, 16990), (1699, 11890), (2378, 8495), (3398, 5945)]