20934667.000000000

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{5813}}^1$

素因数の和:5936

約数の個数: 64

約数和(自身を含む): 301397760

約数和(自身を除く): 196903272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 107, 168, 214, 321, 428, 642, 749, 856, 1284, 1498, 2247, 2568, 2996, 4494, 5813, 5992, 8988, 11626, 17439, 17976, 23252, 34878, 40691, 46504, 69756, 81382, 122073, 139512, 162764, 244146, 325528, 488292, 621991, 976584, 1243982, 1865973, 2487964, 3731946, 4353937, 4975928, 7463892, 8707874, 13061811, 14927784, 17415748, 26123622, 34831496, 52247244, 104494488]

約数ペア:

[(1, 104494488), (2, 52247244), (3, 34831496), (4, 26123622), (6, 17415748), (7, 14927784), (8, 13061811), (12, 8707874), (14, 7463892), (21, 4975928), (24, 4353937), (28, 3731946), (42, 2487964), (56, 1865973), (84, 1243982), (107, 976584), (168, 621991), (214, 488292), (321, 325528), (428, 244146), (642, 162764), (749, 139512), (856, 122073), (1284, 81382), (1498, 69756), (2247, 46504), (2568, 40691), (2996, 34878), (4494, 23252), (5813, 17976), (5992, 17439), (8988, 11626)]