20680156

素因数分解:

$2^2\times 7^3\times {\mathrm{15073}}^1$

素因数の和:15098

約数の個数: 24

約数和(自身を含む): 42207200

約数和(自身を除く): 21527044

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 15073, 30146, 60292, 105511, 211022, 422044, 738577, 1477154, 2954308, 5170039, 10340078, 20680156]

約数ペア:

[(1, 20680156), (2, 10340078), (4, 5170039), (7, 2954308), (14, 1477154), (28, 738577), (49, 422044), (98, 211022), (196, 105511), (343, 60292), (686, 30146), (1372, 15073)]