20377011905

素因数分解:

$5^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1\times {\mathrm{44683}}^1$

素因数の和:45320

約数の個数: 16

約数和(自身を含む): 24622671360

約数和(自身を除く): 4245659455

約数列:

[1, 5, 223, 409, 1115, 2045, 44683, 91207, 223415, 456035, 9964309, 18275347, 49821545, 91376735, 4075402381, 20377011905]

約数ペア:

[(1, 20377011905), (5, 4075402381), (223, 91376735), (409, 49821545), (1115, 18275347), (2045, 9964309), (44683, 456035), (91207, 223415)]