20091111925

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{21720121}}^1$

素因数の和:21720168

約数の個数: 12

約数和(自身を含む): 25586303716

約数和(自身を除く): 5495191791

約数列:

[1, 5, 25, 37, 185, 925, 21720121, 108600605, 543003025, 803644477, 4018222385, 20091111925]

約数ペア:

[(1, 20091111925), (5, 4018222385), (25, 803644477), (37, 543003025), (185, 108600605), (925, 21720121)]