20473178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2221}}^1$

素因数の和:2653

約数の個数: 16

約数和(自身を含む): 33596640

約数和(自身を除く): 13123462

約数列:

[1, 2, 11, 22, 419, 838, 2221, 4442, 4609, 9218, 24431, 48862, 930599, 1861198, 10236589, 20473178]

約数ペア:

[(1, 20473178), (2, 10236589), (11, 1861198), (22, 930599), (419, 48862), (838, 24431), (2221, 9218), (4442, 4609)]