20557042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10499}}^1$

素因数の和:10601

約数の個数: 16

約数和(自身を含む): 34020000

約数和(自身を除く): 13462958

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 10499, 20998, 115489, 230978, 934411, 1868822, 10278521, 20557042]

約数ペア:

[(1, 20557042), (2, 10278521), (11, 1868822), (22, 934411), (89, 230978), (178, 115489), (979, 20998), (1958, 10499)]