20805818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{32611}}^1$

素因数の和:32653

約数の個数: 16

約数和(自身を含む): 35220960

約数和(自身を除く): 14415142

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 32611, 65222, 358721, 717442, 945719, 1891438, 10402909, 20805818]

約数ペア:

[(1, 20805818), (2, 10402909), (11, 1891438), (22, 945719), (29, 717442), (58, 358721), (319, 65222), (638, 32611)]