20123583021

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{28303211}}^1$

素因数の和:28303296

約数の個数: 12

約数和(自身を含む): 29435340480

約数和(自身を除く): 9311757459

約数列:

[1, 3, 9, 79, 237, 711, 28303211, 84909633, 254728899, 2235953669, 6707861007, 20123583021]

約数ペア:

[(1, 20123583021), (3, 6707861007), (9, 2235953669), (79, 254728899), (237, 84909633), (711, 28303211)]