90494020

素因数分解:

$2^2\times 5^1\times {\mathrm{4524701}}^1$

素因数の和:4524710

約数の個数: 12

約数和(自身を含む): 190037484

約数和(自身を除く): 99543464

約数列:

[1, 2, 4, 5, 10, 20, 4524701, 9049402, 18098804, 22623505, 45247010, 90494020]

約数ペア:

[(1, 90494020), (2, 45247010), (4, 22623505), (5, 18098804), (10, 9049402), (20, 4524701)]