20521995312

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4698259}}^1$

素因数の和:4698290

約数の個数: 80

約数和(自身を含む): 65249434880

約数和(自身を除く): 44727439568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 4698259, 9396518, 14094777, 18793036, 28189554, 32887813, 37586072, 56379108, 61077367, 65775626, 75172144, 98663439, 112758216, 122154734, 131551252, 183232101, 197326878, 225516432, 244309468, 263102504, 366464202, 394653756, 427541569, 488618936, 526205008, 732928404, 789307512, 855083138, 977237872, 1282624707, 1465856808, 1578615024, 1710166276, 2565249414, 2931713616, 3420332552, 5130498828, 6840665104, 10260997656, 20521995312]

約数ペア:

[(1, 20521995312), (2, 10260997656), (3, 6840665104), (4, 5130498828), (6, 3420332552), (7, 2931713616), (8, 2565249414), (12, 1710166276), (13, 1578615024), (14, 1465856808), (16, 1282624707), (21, 977237872), (24, 855083138), (26, 789307512), (28, 732928404), (39, 526205008), (42, 488618936), (48, 427541569), (52, 394653756), (56, 366464202), (78, 263102504), (84, 244309468), (91, 225516432), (104, 197326878), (112, 183232101), (156, 131551252), (168, 122154734), (182, 112758216), (208, 98663439), (273, 75172144), (312, 65775626), (336, 61077367), (364, 56379108), (546, 37586072), (624, 32887813), (728, 28189554), (1092, 18793036), (1456, 14094777), (2184, 9396518), (4368, 4698259)]