20423545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{997}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 26083728

約数和(自身を除く): 5660183

約数列:

[1, 5, 17, 85, 241, 997, 1205, 4097, 4985, 16949, 20485, 84745, 240277, 1201385, 4084709, 20423545]

約数ペア:

[(1, 20423545), (5, 4084709), (17, 1201385), (85, 240277), (241, 84745), (997, 20485), (1205, 16949), (4097, 4985)]