84861020

素因数分解:

$2^2\times 5^1\times {\mathrm{4243051}}^1$

素因数の和:4243060

約数の個数: 12

約数和(自身を含む): 178208184

約数和(自身を除く): 93347164

約数列:

[1, 2, 4, 5, 10, 20, 4243051, 8486102, 16972204, 21215255, 42430510, 84861020]

約数ペア:

[(1, 84861020), (2, 42430510), (4, 21215255), (5, 16972204), (10, 8486102), (20, 4243051)]