20512795835

素因数分解:

$5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{713861}}^1$

素因数の和:714694

約数の個数: 16

約数和(自身を含む): 28166139072

約数和(自身を除く): 7653343237

約数列:

[1, 5, 7, 35, 821, 4105, 5747, 28735, 713861, 3569305, 4997027, 24985135, 586079881, 2930399405, 4102559167, 20512795835]

約数ペア:

[(1, 20512795835), (5, 4102559167), (7, 2930399405), (35, 586079881), (821, 24985135), (4105, 4997027), (5747, 3569305), (28735, 713861)]