20751497228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1141949}}^1$

素因数の和:1142030

約数の個数: 48

約数和(自身を含む): 46043424000

約数和(自身を除く): 25291926772

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 118, 154, 236, 308, 413, 649, 826, 1298, 1652, 2596, 4543, 9086, 18172, 1141949, 2283898, 4567796, 7993643, 12561439, 15987286, 25122878, 31974572, 50245756, 67374991, 87930073, 134749982, 175860146, 269499964, 351720292, 471624937, 741124901, 943249874, 1482249802, 1886499748, 2964499604, 5187874307, 10375748614, 20751497228]

約数ペア:

[(1, 20751497228), (2, 10375748614), (4, 5187874307), (7, 2964499604), (11, 1886499748), (14, 1482249802), (22, 943249874), (28, 741124901), (44, 471624937), (59, 351720292), (77, 269499964), (118, 175860146), (154, 134749982), (236, 87930073), (308, 67374991), (413, 50245756), (649, 31974572), (826, 25122878), (1298, 15987286), (1652, 12561439), (2596, 7993643), (4543, 4567796), (9086, 2283898), (18172, 1141949)]