20632905

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10663}}^1$

素因数の和:10717

約数の個数: 24

約数和(自身を含む): 36598848

約数和(自身を除く): 15965943

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10663, 31989, 53315, 95967, 159945, 458509, 479835, 1375527, 2292545, 4126581, 6877635, 20632905]

約数ペア:

[(1, 20632905), (3, 6877635), (5, 4126581), (9, 2292545), (15, 1375527), (43, 479835), (45, 458509), (129, 159945), (215, 95967), (387, 53315), (645, 31989), (1935, 10663)]