20818962

素因数分解:

$2^1\times 3^2\times {\mathrm{311}}^1\times {\mathrm{3719}}^1$

素因数の和:4038

約数の個数: 24

約数和(自身を含む): 45264960

約数和(自身を除く): 24445998

約数列:

[1, 2, 3, 6, 9, 18, 311, 622, 933, 1866, 2799, 3719, 5598, 7438, 11157, 22314, 33471, 66942, 1156609, 2313218, 3469827, 6939654, 10409481, 20818962]

約数ペア:

[(1, 20818962), (2, 10409481), (3, 6939654), (6, 3469827), (9, 2313218), (18, 1156609), (311, 66942), (622, 33471), (933, 22314), (1866, 11157), (2799, 7438), (3719, 5598)]