89106020

素因数分解:

$2^2\times 5^1\times {\mathrm{4455301}}^1$

素因数の和:4455310

約数の個数: 12

約数和(自身を含む): 187122684

約数和(自身を除く): 98016664

約数列:

[1, 2, 4, 5, 10, 20, 4455301, 8910602, 17821204, 22276505, 44553010, 89106020]

約数ペア:

[(1, 89106020), (2, 44553010), (4, 22276505), (5, 17821204), (10, 8910602), (20, 4455301)]