20669885

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{757}}^1$

素因数の和:932

約数の個数: 16

約数和(自身を含む): 25614336

約数和(自身を除く): 4944451

約数列:

[1, 5, 43, 127, 215, 635, 757, 3785, 5461, 27305, 32551, 96139, 162755, 480695, 4133977, 20669885]

約数ペア:

[(1, 20669885), (5, 4133977), (43, 480695), (127, 162755), (215, 96139), (635, 32551), (757, 27305), (3785, 5461)]