20512952432

素因数分解:

$2^4\times 7^1\times {\mathrm{349}}^1\times {\mathrm{524789}}^1$

素因数の和:525153

約数の個数: 40

約数和(自身を含む): 45551772000

約数和(自身を除く): 25038819568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 349, 698, 1396, 2443, 2792, 4886, 5584, 9772, 19544, 39088, 524789, 1049578, 2099156, 3673523, 4198312, 7347046, 8396624, 14694092, 29388184, 58776368, 183151361, 366302722, 732605444, 1282059527, 1465210888, 2564119054, 2930421776, 5128238108, 10256476216, 20512952432]

約数ペア:

[(1, 20512952432), (2, 10256476216), (4, 5128238108), (7, 2930421776), (8, 2564119054), (14, 1465210888), (16, 1282059527), (28, 732605444), (56, 366302722), (112, 183151361), (349, 58776368), (698, 29388184), (1396, 14694092), (2443, 8396624), (2792, 7347046), (4886, 4198312), (5584, 3673523), (9772, 2099156), (19544, 1049578), (39088, 524789)]