20887974235

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1678423}}^1$

素因数の和:1678578

約数の個数: 16

約数和(自身を含む): 26586236160

約数和(自身を除く): 5698261925

約数列:

[1, 5, 19, 95, 131, 655, 2489, 12445, 1678423, 8392115, 31890037, 159450185, 219873413, 1099367065, 4177594847, 20887974235]

約数ペア:

[(1, 20887974235), (5, 4177594847), (19, 1099367065), (95, 219873413), (131, 159450185), (655, 31890037), (2489, 8392115), (12445, 1678423)]