20387452012

素因数分解:

$2^2\times {\mathrm{2203}}^1\times {\mathrm{2313601}}^1$

素因数の和:2315808

約数の個数: 12

約数和(自身を含む): 35694251656

約数和(自身を除く): 15306799644

約数列:

[1, 2, 4, 2203, 4406, 8812, 2313601, 4627202, 9254404, 5096863003, 10193726006, 20387452012]

約数ペア:

[(1, 20387452012), (2, 10193726006), (4, 5096863003), (2203, 9254404), (4406, 4627202), (8812, 2313601)]