20217301

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 24033024

約数和(自身を除く): 3815723

約数列:

[1, 13, 17, 31, 169, 221, 227, 403, 527, 2873, 2951, 3859, 5239, 6851, 7037, 38363, 50167, 89063, 91481, 119629, 652171, 1189253, 1555177, 20217301]

約数ペア:

[(1, 20217301), (13, 1555177), (17, 1189253), (31, 652171), (169, 119629), (221, 91481), (227, 89063), (403, 50167), (527, 38363), (2873, 7037), (2951, 6851), (3859, 5239)]