426792020

素因数分解:

$2^2\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{10949}}^1$

素因数の和:12907

約数の個数: 24

約数和(自身を含む): 896805000

約数和(自身を除く): 470012980

約数列:

[1, 2, 4, 5, 10, 20, 1949, 3898, 7796, 9745, 10949, 19490, 21898, 38980, 43796, 54745, 109490, 218980, 21339601, 42679202, 85358404, 106698005, 213396010, 426792020]

約数ペア:

[(1, 426792020), (2, 213396010), (4, 106698005), (5, 85358404), (10, 42679202), (20, 21339601), (1949, 218980), (3898, 109490), (7796, 54745), (9745, 43796), (10949, 38980), (19490, 21898)]