20960104

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 44049600

約数和(自身を除く): 23089496

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 121, 236, 242, 367, 472, 484, 649, 734, 968, 1298, 1468, 2596, 2936, 4037, 5192, 7139, 8074, 14278, 16148, 21653, 28556, 32296, 43306, 44407, 57112, 86612, 88814, 173224, 177628, 238183, 355256, 476366, 952732, 1905464, 2620013, 5240026, 10480052, 20960104]

約数ペア:

[(1, 20960104), (2, 10480052), (4, 5240026), (8, 2620013), (11, 1905464), (22, 952732), (44, 476366), (59, 355256), (88, 238183), (118, 177628), (121, 173224), (236, 88814), (242, 86612), (367, 57112), (472, 44407), (484, 43306), (649, 32296), (734, 28556), (968, 21653), (1298, 16148), (1468, 14278), (2596, 8074), (2936, 7139), (4037, 5192)]