20255105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4651}}^1$

素因数の和:4736

約数の個数: 16

約数和(自身を含む): 26572224

約数和(自身を除く): 6317119

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 4651, 23255, 60463, 302315, 311617, 1558085, 4051021, 20255105]

約数ペア:

[(1, 20255105), (5, 4051021), (13, 1558085), (65, 311617), (67, 302315), (335, 60463), (871, 23255), (4355, 4651)]