20263287

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{907}}^1$

素因数の和:1598

約数の個数: 16

約数和(自身を含む): 29549952

約数和(自身を除く): 9286665

約数列:

[1, 3, 11, 33, 677, 907, 2031, 2721, 7447, 9977, 22341, 29931, 614039, 1842117, 6754429, 20263287]

約数ペア:

[(1, 20263287), (3, 6754429), (11, 1842117), (33, 614039), (677, 29931), (907, 22341), (2031, 9977), (2721, 7447)]