20455318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{46279}}^1$

素因数の和:46311

約数の個数: 16

約数和(自身を含む): 34987680

約数和(自身を除く): 14532362

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 46279, 92558, 601627, 786743, 1203254, 1573486, 10227659, 20455318]

約数ペア:

[(1, 20455318), (2, 10227659), (13, 1573486), (17, 1203254), (26, 786743), (34, 601627), (221, 92558), (442, 46279)]