20481546

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{769}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 43021440

約数和(自身を除く): 22539894

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 193, 386, 579, 769, 1158, 1538, 2307, 4439, 4614, 8878, 13317, 17687, 26634, 35374, 53061, 106122, 148417, 296834, 445251, 890502, 3413591, 6827182, 10240773, 20481546]

約数ペア:

[(1, 20481546), (2, 10240773), (3, 6827182), (6, 3413591), (23, 890502), (46, 445251), (69, 296834), (138, 148417), (193, 106122), (386, 53061), (579, 35374), (769, 26634), (1158, 17687), (1538, 13317), (2307, 8878), (4439, 4614)]