20325217

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 24332616

約数和(自身を除く): 4007399

約数列:

[1, 11, 17, 41, 121, 187, 241, 451, 697, 2057, 2651, 4097, 4961, 7667, 9881, 29161, 45067, 84337, 108691, 167977, 495737, 1195601, 1847747, 20325217]

約数ペア:

[(1, 20325217), (11, 1847747), (17, 1195601), (41, 495737), (121, 167977), (187, 108691), (241, 84337), (451, 45067), (697, 29161), (2057, 9881), (2651, 7667), (4097, 4961)]