12389582020

素因数分解:

$2^2\times 5^1\times {\mathrm{619479101}}^1$

素因数の和:619479110

約数の個数: 12

約数和(自身を含む): 26018122284

約数和(自身を除く): 13628540264

約数列:

[1, 2, 4, 5, 10, 20, 619479101, 1238958202, 2477916404, 3097395505, 6194791010, 12389582020]

約数ペア:

[(1, 12389582020), (2, 6194791010), (4, 3097395505), (5, 2477916404), (10, 1238958202), (20, 619479101)]