20123034290

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4201051}}^1$

素因数の和:4201537

約数の個数: 16

約数和(自身を含む): 36297089280

約数和(自身を除く): 16174054990

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4790, 4201051, 8402102, 21005255, 42010510, 2012303429, 4024606858, 10061517145, 20123034290]

約数ペア:

[(1, 20123034290), (2, 10061517145), (5, 4024606858), (10, 2012303429), (479, 42010510), (958, 21005255), (2395, 8402102), (4790, 4201051)]