20387130378

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{373}}^1\times {\mathrm{1823}}^1$

素因数の和:2483

約数の個数: 64

約数和(自身を含む): 43222671360

約数和(自身を除く): 22835540982

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 263, 373, 526, 746, 789, 1119, 1578, 1823, 2238, 3646, 4997, 5469, 7087, 9994, 10938, 14174, 14991, 21261, 29982, 34637, 42522, 69274, 98099, 103911, 196198, 207822, 294297, 479449, 588594, 679979, 958898, 1359958, 1438347, 1863881, 2039937, 2876694, 3727762, 4079874, 5591643, 9109531, 11183286, 12919601, 18219062, 25839202, 27328593, 38758803, 54657186, 77517606, 178834477, 357668954, 536503431, 1073006862, 3397855063, 6795710126, 10193565189, 20387130378]

約数ペア:

[(1, 20387130378), (2, 10193565189), (3, 6795710126), (6, 3397855063), (19, 1073006862), (38, 536503431), (57, 357668954), (114, 178834477), (263, 77517606), (373, 54657186), (526, 38758803), (746, 27328593), (789, 25839202), (1119, 18219062), (1578, 12919601), (1823, 11183286), (2238, 9109531), (3646, 5591643), (4997, 4079874), (5469, 3727762), (7087, 2876694), (9994, 2039937), (10938, 1863881), (14174, 1438347), (14991, 1359958), (21261, 958898), (29982, 679979), (34637, 588594), (42522, 479449), (69274, 294297), (98099, 207822), (103911, 196198)]