20719998

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{88547}}^1$

素因数の和:88568

約数の個数: 24

約数和(自身を含む): 48347208

約数和(自身を除く): 27627210

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 88547, 177094, 265641, 531282, 796923, 1151111, 1593846, 2302222, 3453333, 6906666, 10359999, 20719998]

約数ペア:

[(1, 20719998), (2, 10359999), (3, 6906666), (6, 3453333), (9, 2302222), (13, 1593846), (18, 1151111), (26, 796923), (39, 531282), (78, 265641), (117, 177094), (234, 88547)]