20177145184

素因数分解:

$2^5\times 7^1\times {\mathrm{137}}^1\times {\mathrm{657493}}^1$

素因数の和:657647

約数の個数: 48

約数和(自身を含む): 45730022688

約数和(自身を除く): 25552877504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 137, 224, 274, 548, 959, 1096, 1918, 2192, 3836, 4384, 7672, 15344, 30688, 657493, 1314986, 2629972, 4602451, 5259944, 9204902, 10519888, 18409804, 21039776, 36819608, 73639216, 90076541, 147278432, 180153082, 360306164, 630535787, 720612328, 1261071574, 1441224656, 2522143148, 2882449312, 5044286296, 10088572592, 20177145184]

約数ペア:

[(1, 20177145184), (2, 10088572592), (4, 5044286296), (7, 2882449312), (8, 2522143148), (14, 1441224656), (16, 1261071574), (28, 720612328), (32, 630535787), (56, 360306164), (112, 180153082), (137, 147278432), (224, 90076541), (274, 73639216), (548, 36819608), (959, 21039776), (1096, 18409804), (1918, 10519888), (2192, 9204902), (3836, 5259944), (4384, 4602451), (7672, 2629972), (15344, 1314986), (30688, 657493)]