20902244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{475051}}^1$

素因数の和:475066

約数の個数: 12

約数和(自身を含む): 39904368

約数和(自身を除く): 19002124

約数列:

[1, 2, 4, 11, 22, 44, 475051, 950102, 1900204, 5225561, 10451122, 20902244]

約数ペア:

[(1, 20902244), (2, 10451122), (4, 5225561), (11, 1900204), (22, 950102), (44, 475051)]