90672020

素因数分解:

$2^2\times 5^1\times {\mathrm{4533601}}^1$

素因数の和:4533610

約数の個数: 12

約数和(自身を含む): 190411284

約数和(自身を除く): 99739264

約数列:

[1, 2, 4, 5, 10, 20, 4533601, 9067202, 18134404, 22668005, 45336010, 90672020]

約数ペア:

[(1, 90672020), (2, 45336010), (4, 22668005), (5, 18134404), (10, 9067202), (20, 4533601)]