20508717268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1381}}^1\times {\mathrm{15031}}^1$

素因数の和:16448

約数の個数: 48

約数和(自身を含む): 40717479040

約数和(自身を除く): 20208761772

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 1381, 2762, 5524, 15031, 17953, 26239, 30062, 35906, 52478, 60124, 71812, 104956, 195403, 285589, 341107, 390806, 571178, 682214, 781612, 1142356, 1364428, 3712657, 7425314, 14850628, 20757811, 41515622, 83031244, 269851543, 394398409, 539703086, 788796818, 1079406172, 1577593636, 5127179317, 10254358634, 20508717268]

約数ペア:

[(1, 20508717268), (2, 10254358634), (4, 5127179317), (13, 1577593636), (19, 1079406172), (26, 788796818), (38, 539703086), (52, 394398409), (76, 269851543), (247, 83031244), (494, 41515622), (988, 20757811), (1381, 14850628), (2762, 7425314), (5524, 3712657), (15031, 1364428), (17953, 1142356), (26239, 781612), (30062, 682214), (35906, 571178), (52478, 390806), (60124, 341107), (71812, 285589), (104956, 195403)]