20417795

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:910

約数の個数: 16

約数和(自身を含む): 25316928

約数和(自身を除く): 4899133

約数列:

[1, 5, 41, 137, 205, 685, 727, 3635, 5617, 28085, 29807, 99599, 149035, 497995, 4083559, 20417795]

約数ペア:

[(1, 20417795), (5, 4083559), (41, 497995), (137, 149035), (205, 99599), (685, 29807), (727, 28085), (3635, 5617)]