20689357

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{523}}^1$

素因数の和:732

約数の個数: 16

約数和(自身を含む): 23768640

約数和(自身を除く): 3079283

約数列:

[1, 13, 17, 179, 221, 523, 2327, 3043, 6799, 8891, 39559, 93617, 115583, 1217021, 1591489, 20689357]

約数ペア:

[(1, 20689357), (13, 1591489), (17, 1217021), (179, 115583), (221, 93617), (523, 39559), (2327, 8891), (3043, 6799)]