20298879

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 30010032

約数和(自身を除く): 9711153

約数列:

[1, 3, 9, 101, 137, 163, 303, 411, 489, 909, 1233, 1467, 13837, 16463, 22331, 41511, 49389, 66993, 124533, 148167, 200979, 2255431, 6766293, 20298879]

約数ペア:

[(1, 20298879), (3, 6766293), (9, 2255431), (101, 200979), (137, 148167), (163, 124533), (303, 66993), (411, 49389), (489, 41511), (909, 22331), (1233, 16463), (1467, 13837)]