20080445

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7451}}^1$

素因数の和:7481

約数の個数: 24

約数和(自身を含む): 30583008

約数和(自身を除く): 10502563

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 7451, 37255, 52157, 81961, 260785, 365099, 409805, 573727, 1825495, 2868635, 4016089, 20080445]

約数ペア:

[(1, 20080445), (5, 4016089), (7, 2868635), (11, 1825495), (35, 573727), (49, 409805), (55, 365099), (77, 260785), (245, 81961), (385, 52157), (539, 37255), (2695, 7451)]