20887336

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{60719}}^1$

素因数の和:60768

約数の個数: 16

約数和(自身を含む): 40075200

約数和(自身を除く): 19187864

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 60719, 121438, 242876, 485752, 2610917, 5221834, 10443668, 20887336]

約数ペア:

[(1, 20887336), (2, 10443668), (4, 5221834), (8, 2610917), (43, 485752), (86, 242876), (172, 121438), (344, 60719)]