20163785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{1571}}^1$

素因数の和:1744

約数の個数: 16

約数和(自身を含む): 25805952

約数和(自身を除く): 5642167

約数列:

[1, 5, 17, 85, 151, 755, 1571, 2567, 7855, 12835, 26707, 133535, 237221, 1186105, 4032757, 20163785]

約数ペア:

[(1, 20163785), (5, 4032757), (17, 1186105), (85, 237221), (151, 133535), (755, 26707), (1571, 12835), (2567, 7855)]