90960020

素因数分解:

$2^2\times 5^1\times {\mathrm{4548001}}^1$

素因数の和:4548010

約数の個数: 12

約数和(自身を含む): 191016084

約数和(自身を除く): 100056064

約数列:

[1, 2, 4, 5, 10, 20, 4548001, 9096002, 18192004, 22740005, 45480010, 90960020]

約数ペア:

[(1, 90960020), (2, 45480010), (4, 22740005), (5, 18192004), (10, 9096002), (20, 4548001)]