20105385244

素因数分解:

$2^2\times 7^1\times {\mathrm{2351}}^1\times {\mathrm{305423}}^1$

素因数の和:307785

約数の個数: 24

約数和(自身を含む): 40228005888

約数和(自身を除く): 20122620644

約数列:

[1, 2, 4, 7, 14, 28, 2351, 4702, 9404, 16457, 32914, 65828, 305423, 610846, 1221692, 2137961, 4275922, 8551844, 718049473, 1436098946, 2872197892, 5026346311, 10052692622, 20105385244]

約数ペア:

[(1, 20105385244), (2, 10052692622), (4, 5026346311), (7, 2872197892), (14, 1436098946), (28, 718049473), (2351, 8551844), (4702, 4275922), (9404, 2137961), (16457, 1221692), (32914, 610846), (65828, 305423)]