20873463

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2957}}^1$

素因数の和:3154

約数の個数: 16

約数和(自身を含む): 30147936

約数和(自身を除く): 9274473

約数列:

[1, 3, 13, 39, 181, 543, 2353, 2957, 7059, 8871, 38441, 115323, 535217, 1605651, 6957821, 20873463]

約数ペア:

[(1, 20873463), (3, 6957821), (13, 1605651), (39, 535217), (181, 115323), (543, 38441), (2353, 8871), (2957, 7059)]