20775665

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1361}}^1$

素因数の和:1480

約数の個数: 16

約数和(自身を含む): 25888896

約数和(自身を除く): 5113231

約数列:

[1, 5, 43, 71, 215, 355, 1361, 3053, 6805, 15265, 58523, 96631, 292615, 483155, 4155133, 20775665]

約数ペア:

[(1, 20775665), (5, 4155133), (43, 483155), (71, 292615), (215, 96631), (355, 58523), (1361, 15265), (3053, 6805)]