20791870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189017}}^1$

素因数の和:189035

約数の個数: 16

約数和(自身を含む): 40827888

約数和(自身を除く): 20036018

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189017, 378034, 945085, 1890170, 2079187, 4158374, 10395935, 20791870]

約数ペア:

[(1, 20791870), (2, 10395935), (5, 4158374), (10, 2079187), (11, 1890170), (22, 945085), (55, 378034), (110, 189017)]