45420020

素因数分解:

$2^2\times 5^1\times {\mathrm{2271001}}^1$

素因数の和:2271010

約数の個数: 12

約数和(自身を含む): 95382084

約数和(自身を除く): 49962064

約数列:

[1, 2, 4, 5, 10, 20, 2271001, 4542002, 9084004, 11355005, 22710010, 45420020]

約数ペア:

[(1, 45420020), (2, 22710010), (4, 11355005), (5, 9084004), (10, 4542002), (20, 2271001)]