20439526

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1\times {\mathrm{317}}^1$

素因数の和:735

約数の個数: 16

約数和(自身を含む): 31153824

約数和(自身を除く): 10714298

約数列:

[1, 2, 103, 206, 313, 317, 626, 634, 32239, 32651, 64478, 65302, 99221, 198442, 10219763, 20439526]

約数ペア:

[(1, 20439526), (2, 10219763), (103, 198442), (206, 99221), (313, 65302), (317, 64478), (626, 32651), (634, 32239)]