20565357

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1031}}^1$

素因数の和:1204

約数の個数: 16

約数和(自身を含む): 28152960

約数和(自身を除く): 7587603

約数列:

[1, 3, 61, 109, 183, 327, 1031, 3093, 6649, 19947, 62891, 112379, 188673, 337137, 6855119, 20565357]

約数ペア:

[(1, 20565357), (3, 6855119), (61, 337137), (109, 188673), (183, 112379), (327, 62891), (1031, 19947), (3093, 6649)]