20198093993

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{3881}}^1\times {\mathrm{67589}}^1$

素因数の和:71488

約数の個数: 16

約数和(自身を含む): 25188900480

約数和(自身を除く): 4990806487

約数列:

[1, 7, 11, 77, 3881, 27167, 42691, 67589, 298837, 473123, 743479, 5204353, 262312909, 1836190363, 2885441999, 20198093993]

約数ペア:

[(1, 20198093993), (7, 2885441999), (11, 1836190363), (77, 262312909), (3881, 5204353), (27167, 743479), (42691, 473123), (67589, 298837)]