20991370176

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{5206193}}^1$

素因数の和:5206218

約数の個数: 84

約数和(自身を含む): 68763410352

約数和(自身を除く): 47772040176

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 168, 192, 224, 252, 288, 336, 448, 504, 576, 672, 1008, 1344, 2016, 4032, 5206193, 10412386, 15618579, 20824772, 31237158, 36443351, 41649544, 46855737, 62474316, 72886702, 83299088, 93711474, 109330053, 124948632, 145773404, 166598176, 187422948, 218660106, 249897264, 291546808, 327990159, 333196352, 374845896, 437320212, 499794528, 583093616, 655980318, 749691792, 874640424, 999589056, 1166187232, 1311960636, 1499383584, 1749280848, 2332374464, 2623921272, 2998767168, 3498561696, 5247842544, 6997123392, 10495685088, 20991370176]

約数ペア:

[(1, 20991370176), (2, 10495685088), (3, 6997123392), (4, 5247842544), (6, 3498561696), (7, 2998767168), (8, 2623921272), (9, 2332374464), (12, 1749280848), (14, 1499383584), (16, 1311960636), (18, 1166187232), (21, 999589056), (24, 874640424), (28, 749691792), (32, 655980318), (36, 583093616), (42, 499794528), (48, 437320212), (56, 374845896), (63, 333196352), (64, 327990159), (72, 291546808), (84, 249897264), (96, 218660106), (112, 187422948), (126, 166598176), (144, 145773404), (168, 124948632), (192, 109330053), (224, 93711474), (252, 83299088), (288, 72886702), (336, 62474316), (448, 46855737), (504, 41649544), (576, 36443351), (672, 31237158), (1008, 20824772), (1344, 15618579), (2016, 10412386), (4032, 5206193)]