20150672020

素因数分解:

$2^2\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{516949}}^1$

素因数の和:518907

約数の個数: 24

約数和(自身を含む): 42338205000

約数和(自身を除く): 22187532980

約数列:

[1, 2, 4, 5, 10, 20, 1949, 3898, 7796, 9745, 19490, 38980, 516949, 1033898, 2067796, 2584745, 5169490, 10338980, 1007533601, 2015067202, 4030134404, 5037668005, 10075336010, 20150672020]

約数ペア:

[(1, 20150672020), (2, 10075336010), (4, 5037668005), (5, 4030134404), (10, 2015067202), (20, 1007533601), (1949, 10338980), (3898, 5169490), (7796, 2584745), (9745, 2067796), (19490, 1033898), (38980, 516949)]