20577627

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17191}}^1$

素因数の和:17223

約数の個数: 24

約数和(自身を含む): 35759360

約数和(自身を除く): 15181733

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 17191, 51573, 120337, 154719, 326629, 361011, 979887, 1083033, 2286403, 2939661, 6859209, 20577627]

約数ペア:

[(1, 20577627), (3, 6859209), (7, 2939661), (9, 2286403), (19, 1083033), (21, 979887), (57, 361011), (63, 326629), (133, 154719), (171, 120337), (399, 51573), (1197, 17191)]