20731314195

素因数分解:

$3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1160443}}^1$

素因数の和:1160851

約数の個数: 24

約数和(自身を含む): 36024823536

約数和(自身を除く): 15293509341

約数列:

[1, 3, 5, 9, 15, 45, 397, 1191, 1985, 3573, 5955, 17865, 1160443, 3481329, 5802215, 10443987, 17406645, 52219935, 460695871, 1382087613, 2303479355, 4146262839, 6910438065, 20731314195]

約数ペア:

[(1, 20731314195), (3, 6910438065), (5, 4146262839), (9, 2303479355), (15, 1382087613), (45, 460695871), (397, 52219935), (1191, 17406645), (1985, 10443987), (3573, 5802215), (5955, 3481329), (17865, 1160443)]