20490873

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27653}}^1$

素因数の和:27688

約数の個数: 16

約数和(自身を含む): 30972480

約数和(自身を除く): 10481607

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 27653, 82959, 359489, 525407, 1078467, 1576221, 6830291, 20490873]

約数ペア:

[(1, 20490873), (3, 6830291), (13, 1576221), (19, 1078467), (39, 525407), (57, 359489), (247, 82959), (741, 27653)]