20764388

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 37128000

約数和(自身を除く): 16363612

約数列:

[1, 2, 4, 101, 103, 202, 206, 404, 412, 499, 998, 1996, 10403, 20806, 41612, 50399, 51397, 100798, 102794, 201596, 205588, 5191097, 10382194, 20764388]

約数ペア:

[(1, 20764388), (2, 10382194), (4, 5191097), (101, 205588), (103, 201596), (202, 102794), (206, 100798), (404, 51397), (412, 50399), (499, 41612), (998, 20806), (1996, 10403)]