20884812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{133877}}^1$

素因数の和:133897

約数の個数: 24

約数和(自身を含む): 52480176

約数和(自身を除く): 31595364

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 133877, 267754, 401631, 535508, 803262, 1606524, 1740401, 3480802, 5221203, 6961604, 10442406, 20884812]

約数ペア:

[(1, 20884812), (2, 10442406), (3, 6961604), (4, 5221203), (6, 3480802), (12, 1740401), (13, 1606524), (26, 803262), (39, 535508), (52, 401631), (78, 267754), (156, 133877)]