20420774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{54601}}^1$

素因数の和:54631

約数の個数: 16

約数和(自身を含む): 35382096

約数和(自身を除く): 14961322

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 54601, 109202, 600611, 928217, 1201222, 1856434, 10210387, 20420774]

約数ペア:

[(1, 20420774), (2, 10210387), (11, 1856434), (17, 1201222), (22, 928217), (34, 600611), (187, 109202), (374, 54601)]