20077779974

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{635413}}^1$

素因数の和:635520

約数の個数: 32

約数和(自身を含む): 35928849216

約数和(自身を除く): 15851069242

約数列:

[1, 2, 7, 14, 37, 61, 74, 122, 259, 427, 518, 854, 2257, 4514, 15799, 31598, 635413, 1270826, 4447891, 8895782, 23510281, 38760193, 47020562, 77520386, 164571967, 271321351, 329143934, 542642702, 1434127141, 2868254282, 10038889987, 20077779974]

約数ペア:

[(1, 20077779974), (2, 10038889987), (7, 2868254282), (14, 1434127141), (37, 542642702), (61, 329143934), (74, 271321351), (122, 164571967), (259, 77520386), (427, 47020562), (518, 38760193), (854, 23510281), (2257, 8895782), (4514, 4447891), (15799, 1270826), (31598, 635413)]