20405468161

素因数分解:

${\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{5112871}}^1$

素因数の和:5113191

約数の個数: 8

約数和(自身を含む): 22046704064

約数和(自身を除く): 1641235903

約数列:

[1, 13, 307, 3991, 5112871, 66467323, 1569651397, 20405468161]

約数ペア:

[(1, 20405468161), (13, 1569651397), (307, 66467323), (3991, 5112871)]