20199289485

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18966469}}^1$

素因数の和:18966548

約数の個数: 16

約数和(自身を含む): 32774060160

約数和(自身を除く): 12574770675

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 18966469, 56899407, 94832345, 284497035, 1346619299, 4039857897, 6733096495, 20199289485]

約数ペア:

[(1, 20199289485), (3, 6733096495), (5, 4039857897), (15, 1346619299), (71, 284497035), (213, 94832345), (355, 56899407), (1065, 18966469)]