20578085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2731}}^1$

素因数の和:2884

約数の個数: 16

約数和(自身を含む): 27145152

約数和(自身を除く): 6567067

約数列:

[1, 5, 11, 55, 137, 685, 1507, 2731, 7535, 13655, 30041, 150205, 374147, 1870735, 4115617, 20578085]

約数ペア:

[(1, 20578085), (5, 4115617), (11, 1870735), (55, 374147), (137, 150205), (685, 30041), (1507, 13655), (2731, 7535)]