20565721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:392

約数の個数: 16

約数和(自身を含む): 23001408

約数和(自身を除く): 2435687

約数列:

[1, 11, 101, 107, 173, 1111, 1177, 1903, 10807, 17473, 18511, 118877, 192203, 203621, 1869611, 20565721]

約数ペア:

[(1, 20565721), (11, 1869611), (101, 203621), (107, 192203), (173, 118877), (1111, 18511), (1177, 17473), (1903, 10807)]