20130865

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{907}}^1$

素因数の和:1128

約数の個数: 16

約数和(自身を含む): 25365888

約数和(自身を除く): 5235023

約数列:

[1, 5, 23, 115, 193, 907, 965, 4439, 4535, 20861, 22195, 104305, 175051, 875255, 4026173, 20130865]

約数ペア:

[(1, 20130865), (5, 4026173), (23, 875255), (115, 175051), (193, 104305), (907, 22195), (965, 20861), (4439, 4535)]