20521636144

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{541}}^1\times {\mathrm{22157}}^1$

素因数の和:22813

約数の個数: 40

約数和(自身を含む): 40208261328

約数和(自身を除く): 19686625184

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 541, 856, 1082, 1712, 2164, 4328, 8656, 22157, 44314, 57887, 88628, 115774, 177256, 231548, 354512, 463096, 926192, 2370799, 4741598, 9483196, 11986937, 18966392, 23973874, 37932784, 47947748, 95895496, 191790992, 1282602259, 2565204518, 5130409036, 10260818072, 20521636144]

約数ペア:

[(1, 20521636144), (2, 10260818072), (4, 5130409036), (8, 2565204518), (16, 1282602259), (107, 191790992), (214, 95895496), (428, 47947748), (541, 37932784), (856, 23973874), (1082, 18966392), (1712, 11986937), (2164, 9483196), (4328, 4741598), (8656, 2370799), (22157, 926192), (44314, 463096), (57887, 354512), (88628, 231548), (115774, 177256)]