20490456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{121967}}^1$

素因数の和:121983

約数の個数: 32

約数和(自身を含む): 58544640

約数和(自身を除く): 38054184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 121967, 243934, 365901, 487868, 731802, 853769, 975736, 1463604, 1707538, 2561307, 2927208, 3415076, 5122614, 6830152, 10245228, 20490456]

約数ペア:

[(1, 20490456), (2, 10245228), (3, 6830152), (4, 5122614), (6, 3415076), (7, 2927208), (8, 2561307), (12, 1707538), (14, 1463604), (21, 975736), (24, 853769), (28, 731802), (42, 487868), (56, 365901), (84, 243934), (168, 121967)]