26798020

素因数分解:

$2^2\times 5^1\times {\mathrm{1339901}}^1$

素因数の和:1339910

約数の個数: 12

約数和(自身を含む): 56275884

約数和(自身を除く): 29477864

約数列:

[1, 2, 4, 5, 10, 20, 1339901, 2679802, 5359604, 6699505, 13399010, 26798020]

約数ペア:

[(1, 26798020), (2, 13399010), (4, 6699505), (5, 5359604), (10, 2679802), (20, 1339901)]