20662218

素因数分解:

$2^1\times 3^2\times {\mathrm{311}}^1\times {\mathrm{3691}}^1$

素因数の和:4010

約数の個数: 24

約数和(自身を含む): 44924256

約数和(自身を除く): 24262038

約数列:

[1, 2, 3, 6, 9, 18, 311, 622, 933, 1866, 2799, 3691, 5598, 7382, 11073, 22146, 33219, 66438, 1147901, 2295802, 3443703, 6887406, 10331109, 20662218]

約数ペア:

[(1, 20662218), (2, 10331109), (3, 6887406), (6, 3443703), (9, 2295802), (18, 1147901), (311, 66438), (622, 33219), (933, 22146), (1866, 11073), (2799, 7382), (3691, 5598)]