20216173040

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{736741}}^1$

素因数の和:736775

約数の個数: 80

約数和(自身を含む): 54813604800

約数和(自身を除く): 34597431760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 13720, 27440, 736741, 1473482, 2946964, 3683705, 5157187, 5893928, 7367410, 10314374, 11787856, 14734820, 20628748, 25785935, 29469640, 36100309, 41257496, 51571870, 58939280, 72200618, 82514992, 103143740, 144401236, 180501545, 206287480, 252702163, 288802472, 361003090, 412574960, 505404326, 577604944, 722006180, 1010808652, 1263510815, 1444012360, 2021617304, 2527021630, 2888024720, 4043234608, 5054043260, 10108086520, 20216173040]

約数ペア:

[(1, 20216173040), (2, 10108086520), (4, 5054043260), (5, 4043234608), (7, 2888024720), (8, 2527021630), (10, 2021617304), (14, 1444012360), (16, 1263510815), (20, 1010808652), (28, 722006180), (35, 577604944), (40, 505404326), (49, 412574960), (56, 361003090), (70, 288802472), (80, 252702163), (98, 206287480), (112, 180501545), (140, 144401236), (196, 103143740), (245, 82514992), (280, 72200618), (343, 58939280), (392, 51571870), (490, 41257496), (560, 36100309), (686, 29469640), (784, 25785935), (980, 20628748), (1372, 14734820), (1715, 11787856), (1960, 10314374), (2744, 7367410), (3430, 5893928), (3920, 5157187), (5488, 3683705), (6860, 2946964), (13720, 1473482), (27440, 736741)]