20962540

素因数分解:

$2^2\times 5^1\times {\mathrm{1048127}}^1$

素因数の和:1048136

約数の個数: 12

約数和(自身を含む): 44021376

約数和(自身を除く): 23058836

約数列:

[1, 2, 4, 5, 10, 20, 1048127, 2096254, 4192508, 5240635, 10481270, 20962540]

約数ペア:

[(1, 20962540), (2, 10481270), (4, 5240635), (5, 4192508), (10, 2096254), (20, 1048127)]