20178507918

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1\times {\mathrm{6563}}^1$

素因数の和:7329

約数の個数: 64

約数和(自身を含む): 43793747712

約数和(自身を除く): 23615239794

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 258, 701, 731, 1402, 1462, 2103, 2193, 4206, 4386, 6563, 11917, 13126, 19689, 23834, 30143, 35751, 39378, 60286, 71502, 90429, 111571, 180858, 223142, 282209, 334713, 512431, 564418, 669426, 846627, 1024862, 1537293, 1693254, 3074586, 4600663, 4797553, 9201326, 9595106, 13801989, 14392659, 27603978, 28785318, 78211271, 156422542, 197828509, 234633813, 395657018, 469267626, 593485527, 1186971054, 3363084653, 6726169306, 10089253959, 20178507918]

約数ペア:

[(1, 20178507918), (2, 10089253959), (3, 6726169306), (6, 3363084653), (17, 1186971054), (34, 593485527), (43, 469267626), (51, 395657018), (86, 234633813), (102, 197828509), (129, 156422542), (258, 78211271), (701, 28785318), (731, 27603978), (1402, 14392659), (1462, 13801989), (2103, 9595106), (2193, 9201326), (4206, 4797553), (4386, 4600663), (6563, 3074586), (11917, 1693254), (13126, 1537293), (19689, 1024862), (23834, 846627), (30143, 669426), (35751, 564418), (39378, 512431), (60286, 334713), (71502, 282209), (90429, 223142), (111571, 180858)]