20419982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10429}}^1$

素因数の和:10531

約数の個数: 16

約数和(自身を含む): 33793200

約数和(自身を除く): 13373218

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 10429, 20858, 114719, 229438, 928181, 1856362, 10209991, 20419982]

約数ペア:

[(1, 20419982), (2, 10209991), (11, 1856362), (22, 928181), (89, 229438), (178, 114719), (979, 20858), (1958, 10429)]