20497616096

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{112397}}^1$

素因数の和:112587

約数の個数: 48

約数和(自身を含む): 41636715120

約数和(自身を除く): 21139099024

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 139, 164, 278, 328, 556, 656, 1112, 1312, 2224, 4448, 5699, 11398, 22796, 45592, 91184, 112397, 182368, 224794, 449588, 899176, 1798352, 3596704, 4608277, 9216554, 15623183, 18433108, 31246366, 36866216, 62492732, 73732432, 124985464, 147464864, 249970928, 499941856, 640550503, 1281101006, 2562202012, 5124404024, 10248808048, 20497616096]

約数ペア:

[(1, 20497616096), (2, 10248808048), (4, 5124404024), (8, 2562202012), (16, 1281101006), (32, 640550503), (41, 499941856), (82, 249970928), (139, 147464864), (164, 124985464), (278, 73732432), (328, 62492732), (556, 36866216), (656, 31246366), (1112, 18433108), (1312, 15623183), (2224, 9216554), (4448, 4608277), (5699, 3596704), (11398, 1798352), (22796, 899176), (45592, 449588), (91184, 224794), (112397, 182368)]