20908255

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 25575264

約数和(自身を除く): 4667009

約数列:

[1, 5, 131, 137, 233, 655, 685, 1165, 17947, 30523, 31921, 89735, 152615, 159605, 4181651, 20908255]

約数ペア:

[(1, 20908255), (5, 4181651), (131, 159605), (137, 152615), (233, 89735), (655, 31921), (685, 30523), (1165, 17947)]