20518058512

素因数分解:

$2^4\times 7^2\times {\mathrm{193}}^1\times {\mathrm{135601}}^1$

素因数の和:135816

約数の個数: 60

約数和(自身を含む): 46484094396

約数和(自身を除く): 25966035884

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 193, 196, 386, 392, 772, 784, 1351, 1544, 2702, 3088, 5404, 9457, 10808, 18914, 21616, 37828, 75656, 135601, 151312, 271202, 542404, 949207, 1084808, 1898414, 2169616, 3796828, 6644449, 7593656, 13288898, 15187312, 26170993, 26577796, 52341986, 53155592, 104683972, 106311184, 183196951, 209367944, 366393902, 418735888, 732787804, 1282378657, 1465575608, 2564757314, 2931151216, 5129514628, 10259029256, 20518058512]

約数ペア:

[(1, 20518058512), (2, 10259029256), (4, 5129514628), (7, 2931151216), (8, 2564757314), (14, 1465575608), (16, 1282378657), (28, 732787804), (49, 418735888), (56, 366393902), (98, 209367944), (112, 183196951), (193, 106311184), (196, 104683972), (386, 53155592), (392, 52341986), (772, 26577796), (784, 26170993), (1351, 15187312), (1544, 13288898), (2702, 7593656), (3088, 6644449), (5404, 3796828), (9457, 2169616), (10808, 1898414), (18914, 1084808), (21616, 949207), (37828, 542404), (75656, 271202), (135601, 151312)]