20066355

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4091}}^1$

素因数の和:4211

約数の個数: 24

約数和(自身を含む): 35109360

約数和(自身を除く): 15043005

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4091, 4905, 12273, 20455, 36819, 61365, 184095, 445919, 1337757, 2229595, 4013271, 6688785, 20066355]

約数ペア:

[(1, 20066355), (3, 6688785), (5, 4013271), (9, 2229595), (15, 1337757), (45, 445919), (109, 184095), (327, 61365), (545, 36819), (981, 20455), (1635, 12273), (4091, 4905)]