20918222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{27743}}^1$

素因数の和:27787

約数の個数: 16

約数和(自身を含む): 34957440

約数和(自身を除く): 14039218

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 27743, 55486, 360659, 721318, 804547, 1609094, 10459111, 20918222]

約数ペア:

[(1, 20918222), (2, 10459111), (13, 1609094), (26, 804547), (29, 721318), (58, 360659), (377, 55486), (754, 27743)]