20139639

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27179}}^1$

素因数の和:27214

約数の個数: 16

約数和(自身を含む): 30441600

約数和(自身を除く): 10301961

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 27179, 81537, 353327, 516401, 1059981, 1549203, 6713213, 20139639]

約数ペア:

[(1, 20139639), (3, 6713213), (13, 1549203), (19, 1059981), (39, 516401), (57, 353327), (247, 81537), (741, 27179)]