20409262

素因数分解:

$2^1\times {\mathrm{43}}^2\times {\mathrm{5519}}^1$

素因数の和:5607

約数の個数: 12

約数和(自身を含む): 31348080

約数和(自身を除く): 10938818

約数列:

[1, 2, 43, 86, 1849, 3698, 5519, 11038, 237317, 474634, 10204631, 20409262]

約数ペア:

[(1, 20409262), (2, 10204631), (43, 474634), (86, 237317), (1849, 11038), (3698, 5519)]