20887082

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9661}}^1$

素因数の和:9733

約数の個数: 16

約数和(自身を含む): 33391872

約数和(自身を除く): 12504790

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9661, 19322, 222203, 444406, 454067, 908134, 10443541, 20887082]

約数ペア:

[(1, 20887082), (2, 10443541), (23, 908134), (46, 454067), (47, 444406), (94, 222203), (1081, 19322), (2162, 9661)]