20406900085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{28627}}^1$

素因数の和:29653

約数の個数: 32

約数和(自身を含む): 28799309952

約数和(自身を除く): 8392409867

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 997, 4985, 10967, 12961, 28627, 54835, 64805, 142571, 143135, 314897, 372151, 712855, 1574485, 1860755, 4093661, 20468305, 28541119, 142705595, 313952309, 371034547, 1569761545, 1855172735, 4081380017, 20406900085]

約数ペア:

[(1, 20406900085), (5, 4081380017), (11, 1855172735), (13, 1569761545), (55, 371034547), (65, 313952309), (143, 142705595), (715, 28541119), (997, 20468305), (4985, 4093661), (10967, 1860755), (12961, 1574485), (28627, 712855), (54835, 372151), (64805, 314897), (142571, 143135)]