20856627

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1103}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 33067008

約数和(自身を除く): 12210381

約数列:

[1, 3, 9, 11, 33, 99, 191, 573, 1103, 1719, 2101, 3309, 6303, 9927, 12133, 18909, 36399, 109197, 210673, 632019, 1896057, 2317403, 6952209, 20856627]

約数ペア:

[(1, 20856627), (3, 6952209), (9, 2317403), (11, 1896057), (33, 632019), (99, 210673), (191, 109197), (573, 36399), (1103, 18909), (1719, 12133), (2101, 9927), (3309, 6303)]