20391382

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12697}}^1$

素因数の和:12783

約数の個数: 16

約数和(自身を含む): 33827472

約数和(自身を除く): 13436090

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 12697, 25394, 139667, 279334, 926881, 1853762, 10195691, 20391382]

約数ペア:

[(1, 20391382), (2, 10195691), (11, 1853762), (22, 926881), (73, 279334), (146, 139667), (803, 25394), (1606, 12697)]