20180858870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1200527}}^1$

素因数の和:1200616

約数の個数: 24

約数和(自身を含む): 37233175392

約数和(自身を除く): 17052316522

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1681, 3362, 8405, 16810, 1200527, 2401054, 6002635, 12005270, 49221607, 98443214, 246108035, 492216070, 2018085887, 4036171774, 10090429435, 20180858870]

約数ペア:

[(1, 20180858870), (2, 10090429435), (5, 4036171774), (10, 2018085887), (41, 492216070), (82, 246108035), (205, 98443214), (410, 49221607), (1681, 12005270), (3362, 6002635), (8405, 2401054), (16810, 1200527)]