20806737128

素因数分解:

$2^3\times {\mathrm{911}}^1\times {\mathrm{1447}}^1\times {\mathrm{1973}}^1$

素因数の和:4337

約数の個数: 32

約数和(自身を含む): 39102255360

約数和(自身を除く): 18295518232

約数列:

[1, 2, 4, 8, 911, 1447, 1822, 1973, 2894, 3644, 3946, 5788, 7288, 7892, 11576, 15784, 1318217, 1797403, 2636434, 2854931, 3594806, 5272868, 5709862, 7189612, 10545736, 11419724, 14379224, 22839448, 2600842141, 5201684282, 10403368564, 20806737128]

約数ペア:

[(1, 20806737128), (2, 10403368564), (4, 5201684282), (8, 2600842141), (911, 22839448), (1447, 14379224), (1822, 11419724), (1973, 10545736), (2894, 7189612), (3644, 5709862), (3946, 5272868), (5788, 3594806), (7288, 2854931), (7892, 2636434), (11576, 1797403), (15784, 1318217)]