20853870021

素因数分解:

$3^2\times {\mathrm{241}}^1\times {\mathrm{9614509}}^1$

素因数の和:9614756

約数の個数: 12

約数和(自身を含む): 30247248460

約数和(自身を除く): 9393378439

約数列:

[1, 3, 9, 241, 723, 2169, 9614509, 28843527, 86530581, 2317096669, 6951290007, 20853870021]

約数ペア:

[(1, 20853870021), (3, 6951290007), (9, 2317096669), (241, 86530581), (723, 28843527), (2169, 9614509)]