20199654531

素因数分解:

$3^4\times 7^1\times {\mathrm{35625493}}^1$

素因数の和:35625512

約数の個数: 20

約数和(自身を含む): 34485478192

約数和(自身を除く): 14285823661

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35625493, 106876479, 249378451, 320629437, 748135353, 961888311, 2244406059, 2885664933, 6733218177, 20199654531]

約数ペア:

[(1, 20199654531), (3, 6733218177), (7, 2885664933), (9, 2244406059), (21, 961888311), (27, 748135353), (63, 320629437), (81, 249378451), (189, 106876479), (567, 35625493)]