20565548

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 36656928

約数和(自身を除く): 16091380

約数列:

[1, 2, 4, 113, 173, 226, 263, 346, 452, 526, 692, 1052, 19549, 29719, 39098, 45499, 59438, 78196, 90998, 118876, 181996, 5141387, 10282774, 20565548]

約数ペア:

[(1, 20565548), (2, 10282774), (4, 5141387), (113, 181996), (173, 118876), (226, 90998), (263, 78196), (346, 59438), (452, 45499), (526, 39098), (692, 29719), (1052, 19549)]