20087708

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{116789}}^1$

素因数の和:116836

約数の個数: 12

約数和(自身を含む): 35971320

約数和(自身を除く): 15883612

約数列:

[1, 2, 4, 43, 86, 172, 116789, 233578, 467156, 5021927, 10043854, 20087708]

約数ペア:

[(1, 20087708), (2, 10043854), (4, 5021927), (43, 467156), (86, 233578), (172, 116789)]