20178302606

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{306857}}^1$

素因数の和:306945

約数の個数: 48

約数和(自身を含む): 39039702192

約数和(自身を除く): 18861399586

約数列:

[1, 2, 7, 11, 14, 22, 49, 61, 77, 98, 122, 154, 427, 539, 671, 854, 1078, 1342, 2989, 4697, 5978, 9394, 32879, 65758, 306857, 613714, 2147999, 3375427, 4295998, 6750854, 15035993, 18718277, 23627989, 30071986, 37436554, 47255978, 131027939, 165395923, 205901047, 262055878, 330791846, 411802094, 917195573, 1441307329, 1834391146, 2882614658, 10089151303, 20178302606]

約数ペア:

[(1, 20178302606), (2, 10089151303), (7, 2882614658), (11, 1834391146), (14, 1441307329), (22, 917195573), (49, 411802094), (61, 330791846), (77, 262055878), (98, 205901047), (122, 165395923), (154, 131027939), (427, 47255978), (539, 37436554), (671, 30071986), (854, 23627989), (1078, 18718277), (1342, 15035993), (2989, 6750854), (4697, 4295998), (5978, 3375427), (9394, 2147999), (32879, 613714), (65758, 306857)]