20992565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1597}}^1$

素因数の和:1852

約数の個数: 16

約数和(自身を含む): 27613440

約数和(自身を除く): 6620875

約数列:

[1, 5, 11, 55, 239, 1195, 1597, 2629, 7985, 13145, 17567, 87835, 381683, 1908415, 4198513, 20992565]

約数ペア:

[(1, 20992565), (5, 4198513), (11, 1908415), (55, 381683), (239, 87835), (1195, 17567), (1597, 13145), (2629, 7985)]