20471248

素因数分解:

$2^4\times 7^1\times {\mathrm{182779}}^1$

素因数の和:182794

約数の個数: 20

約数和(自身を含む): 45329440

約数和(自身を除く): 24858192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182779, 365558, 731116, 1279453, 1462232, 2558906, 2924464, 5117812, 10235624, 20471248]

約数ペア:

[(1, 20471248), (2, 10235624), (4, 5117812), (7, 2924464), (8, 2558906), (14, 1462232), (16, 1279453), (28, 731116), (56, 365558), (112, 182779)]