20421610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{185651}}^1$

素因数の和:185669

約数の個数: 16

約数和(自身を含む): 40100832

約数和(自身を除く): 19679222

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 185651, 371302, 928255, 1856510, 2042161, 4084322, 10210805, 20421610]

約数ペア:

[(1, 20421610), (2, 10210805), (5, 4084322), (10, 2042161), (11, 1856510), (22, 928255), (55, 371302), (110, 185651)]