20830251

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28111}}^1$

素因数の和:28146

約数の個数: 16

約数和(自身を含む): 31485440

約数和(自身を除く): 10655189

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 28111, 84333, 365443, 534109, 1096329, 1602327, 6943417, 20830251]

約数ペア:

[(1, 20830251), (3, 6943417), (13, 1602327), (19, 1096329), (39, 534109), (57, 365443), (247, 84333), (741, 28111)]