20781882

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{104959}}^1$

素因数の和:104978

約数の個数: 24

約数和(自身を含む): 49121280

約数和(自身を除く): 28339398

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 104959, 209918, 314877, 629754, 944631, 1154549, 1889262, 2309098, 3463647, 6927294, 10390941, 20781882]

約数ペア:

[(1, 20781882), (2, 10390941), (3, 6927294), (6, 3463647), (9, 2309098), (11, 1889262), (18, 1154549), (22, 944631), (33, 629754), (66, 314877), (99, 209918), (198, 104959)]