20767839

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1054

約数の個数: 16

約数和(自身を含む): 28512000

約数和(自身を除く): 7744161

約数列:

[1, 3, 43, 129, 199, 597, 809, 2427, 8557, 25671, 34787, 104361, 160991, 482973, 6922613, 20767839]

約数ペア:

[(1, 20767839), (3, 6922613), (43, 482973), (129, 160991), (199, 104361), (597, 34787), (809, 25671), (2427, 8557)]