20371086064

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1308523}}^1$

素因数の和:1308677

約数の個数: 40

約数和(自身を含む): 45431953280

約数和(自身を除く): 25060867216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1946, 2224, 3892, 7784, 15568, 1308523, 2617046, 5234092, 9159661, 10468184, 18319322, 20936368, 36638644, 73277288, 146554576, 181884697, 363769394, 727538788, 1273192879, 1455077576, 2546385758, 2910155152, 5092771516, 10185543032, 20371086064]

約数ペア:

[(1, 20371086064), (2, 10185543032), (4, 5092771516), (7, 2910155152), (8, 2546385758), (14, 1455077576), (16, 1273192879), (28, 727538788), (56, 363769394), (112, 181884697), (139, 146554576), (278, 73277288), (556, 36638644), (973, 20936368), (1112, 18319322), (1946, 10468184), (2224, 9159661), (3892, 5234092), (7784, 2617046), (15568, 1308523)]