20517549442

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{269}}^1\times {\mathrm{1997}}^1$

素因数の和:2407

約数の個数: 48

約数和(自身を含む): 33762643560

約数和(自身を除く): 13245094118

約数列:

[1, 2, 13, 26, 113, 169, 226, 269, 338, 538, 1469, 1997, 2938, 3497, 3994, 6994, 19097, 25961, 30397, 38194, 45461, 51922, 60794, 90922, 225661, 337493, 395161, 451322, 537193, 674986, 790322, 1074386, 2933593, 5137093, 5867186, 6983509, 10274186, 13967018, 38136709, 60702809, 76273418, 90785617, 121405618, 181571234, 789136517, 1578273034, 10258774721, 20517549442]

約数ペア:

[(1, 20517549442), (2, 10258774721), (13, 1578273034), (26, 789136517), (113, 181571234), (169, 121405618), (226, 90785617), (269, 76273418), (338, 60702809), (538, 38136709), (1469, 13967018), (1997, 10274186), (2938, 6983509), (3497, 5867186), (3994, 5137093), (6994, 2933593), (19097, 1074386), (25961, 790322), (30397, 674986), (38194, 537193), (45461, 451322), (51922, 395161), (60794, 337493), (90922, 225661)]