20126256468

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{280607}}^1$

素因数の和:280796

約数の個数: 48

約数和(自身を含む): 48399267840

約数和(自身を除く): 28273011372

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 139, 172, 258, 278, 417, 516, 556, 834, 1668, 5977, 11954, 17931, 23908, 35862, 71724, 280607, 561214, 841821, 1122428, 1683642, 3367284, 12066101, 24132202, 36198303, 39004373, 48264404, 72396606, 78008746, 117013119, 144793212, 156017492, 234026238, 468052476, 1677188039, 3354376078, 5031564117, 6708752156, 10063128234, 20126256468]

約数ペア:

[(1, 20126256468), (2, 10063128234), (3, 6708752156), (4, 5031564117), (6, 3354376078), (12, 1677188039), (43, 468052476), (86, 234026238), (129, 156017492), (139, 144793212), (172, 117013119), (258, 78008746), (278, 72396606), (417, 48264404), (516, 39004373), (556, 36198303), (834, 24132202), (1668, 12066101), (5977, 3367284), (11954, 1683642), (17931, 1122428), (23908, 841821), (35862, 561214), (71724, 280607)]