20087845

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 26334720

約数和(自身を除く): 6246875

約数列:

[1, 5, 19, 31, 95, 155, 359, 361, 589, 1795, 1805, 2945, 6821, 11129, 11191, 34105, 55645, 55955, 129599, 211451, 647995, 1057255, 4017569, 20087845]

約数ペア:

[(1, 20087845), (5, 4017569), (19, 1057255), (31, 647995), (95, 211451), (155, 129599), (359, 55955), (361, 55645), (589, 34105), (1795, 11191), (1805, 11129), (2945, 6821)]