20957926

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{7873}}^1$

素因数の和:7908

約数の個数: 16

約数和(自身を含む): 34582608

約数和(自身を除く): 13624682

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 7873, 15746, 86603, 173206, 952633, 1905266, 10478963, 20957926]

約数ペア:

[(1, 20957926), (2, 10478963), (11, 1905266), (22, 952633), (121, 173206), (242, 86603), (1331, 15746), (2662, 7873)]