20218534042

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1\times {\mathrm{827}}^1$

素因数の和:1415

約数の個数: 64

約数和(自身を含む): 36050192640

約数和(自身を除く): 15831658598

約数列:

[1, 2, 7, 14, 37, 74, 109, 218, 259, 433, 518, 763, 827, 866, 1526, 1654, 3031, 4033, 5789, 6062, 8066, 11578, 16021, 28231, 30599, 32042, 47197, 56462, 61198, 90143, 94394, 112147, 180286, 214193, 224294, 330379, 358091, 428386, 631001, 660758, 716182, 1262002, 1746289, 2506637, 3335291, 3492578, 5013274, 6670582, 12224023, 13249367, 23347037, 24448046, 26498734, 39031919, 46694074, 78063838, 92745569, 185491138, 273223433, 546446866, 1444181003, 2888362006, 10109267021, 20218534042]

約数ペア:

[(1, 20218534042), (2, 10109267021), (7, 2888362006), (14, 1444181003), (37, 546446866), (74, 273223433), (109, 185491138), (218, 92745569), (259, 78063838), (433, 46694074), (518, 39031919), (763, 26498734), (827, 24448046), (866, 23347037), (1526, 13249367), (1654, 12224023), (3031, 6670582), (4033, 5013274), (5789, 3492578), (6062, 3335291), (8066, 2506637), (11578, 1746289), (16021, 1262002), (28231, 716182), (30599, 660758), (32042, 631001), (47197, 428386), (56462, 358091), (61198, 330379), (90143, 224294), (94394, 214193), (112147, 180286)]