20000619

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2143}}^1$

素因数の和:2227

約数の個数: 24

約数和(自身を含む): 31105152

約数和(自身を除く): 11104533

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 549, 1037, 2143, 3111, 6429, 9333, 19287, 36431, 109293, 130723, 327879, 392169, 1176507, 2222291, 6666873, 20000619]

約数ペア:

[(1, 20000619), (3, 6666873), (9, 2222291), (17, 1176507), (51, 392169), (61, 327879), (153, 130723), (183, 109293), (549, 36431), (1037, 19287), (2143, 9333), (3111, 6429)]