20986686

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{166561}}^1$

素因数の和:166576

約数の個数: 24

約数和(自身を含む): 51967344

約数和(自身を除く): 30980658

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 166561, 333122, 499683, 999366, 1165927, 1499049, 2331854, 2998098, 3497781, 6995562, 10493343, 20986686]

約数ペア:

[(1, 20986686), (2, 10493343), (3, 6995562), (6, 3497781), (7, 2998098), (9, 2331854), (14, 1499049), (18, 1165927), (21, 999366), (42, 499683), (63, 333122), (126, 166561)]