20508657

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2129}}^1$

素因数の和:2177

約数の個数: 24

約数和(自身を含む): 31183200

約数和(自身を除く): 10674543

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 2129, 3211, 6387, 9633, 27677, 40451, 83031, 121353, 359801, 525863, 1079403, 1577589, 6836219, 20508657]

約数ペア:

[(1, 20508657), (3, 6836219), (13, 1577589), (19, 1079403), (39, 525863), (57, 359801), (169, 121353), (247, 83031), (507, 40451), (741, 27677), (2129, 9633), (3211, 6387)]