20198297

素因数分解:

$7^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 24750336

約数和(自身を除く): 4552039

約数列:

[1, 7, 29, 47, 73, 203, 329, 511, 841, 1363, 2117, 3431, 5887, 9541, 14819, 24017, 39527, 61393, 99499, 276689, 429751, 696493, 2885471, 20198297]

約数ペア:

[(1, 20198297), (7, 2885471), (29, 696493), (47, 429751), (73, 276689), (203, 99499), (329, 61393), (511, 39527), (841, 24017), (1363, 14819), (2117, 9541), (3431, 5887)]