20169873

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{701}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 30663360

約数和(自身を除く): 10493487

約数列:

[1, 3, 9, 23, 69, 139, 207, 417, 701, 1251, 2103, 3197, 6309, 9591, 16123, 28773, 48369, 97439, 145107, 292317, 876951, 2241097, 6723291, 20169873]

約数ペア:

[(1, 20169873), (3, 6723291), (9, 2241097), (23, 876951), (69, 292317), (139, 145107), (207, 97439), (417, 48369), (701, 28773), (1251, 16123), (2103, 9591), (3197, 6309)]