20173824008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:603

約数の個数: 128

約数和(自身を含む): 42531804000

約数和(自身を除く): 22357979992

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 113, 149, 164, 226, 281, 298, 328, 452, 533, 562, 596, 904, 1066, 1124, 1192, 1469, 1937, 2132, 2248, 2938, 3653, 3874, 4264, 4633, 5876, 6109, 7306, 7748, 9266, 11521, 11752, 12218, 14612, 15496, 16837, 18532, 23042, 24436, 29224, 31753, 33674, 37064, 41869, 46084, 48872, 60229, 63506, 67348, 79417, 83738, 92168, 120458, 127012, 134696, 149773, 158834, 167476, 218881, 240916, 254024, 299546, 317668, 334952, 412789, 437762, 481832, 544297, 599092, 635336, 690317, 825578, 875524, 1088594, 1198184, 1301873, 1380634, 1651156, 1716629, 1751048, 2177188, 2603746, 2761268, 3302312, 3433258, 4354376, 4731197, 5207492, 5522536, 6866516, 8974121, 9462394, 10414984, 13733032, 16924349, 17948242, 18924788, 22316177, 33848698, 35896484, 37849576, 44632354, 61505561, 67697396, 71792968, 89264708, 123011122, 135394792, 178529416, 193979077, 246022244, 387958154, 492044488, 775916308, 1551832616, 2521728001, 5043456002, 10086912004, 20173824008]

約数ペア:

[(1, 20173824008), (2, 10086912004), (4, 5043456002), (8, 2521728001), (13, 1551832616), (26, 775916308), (41, 492044488), (52, 387958154), (82, 246022244), (104, 193979077), (113, 178529416), (149, 135394792), (164, 123011122), (226, 89264708), (281, 71792968), (298, 67697396), (328, 61505561), (452, 44632354), (533, 37849576), (562, 35896484), (596, 33848698), (904, 22316177), (1066, 18924788), (1124, 17948242), (1192, 16924349), (1469, 13733032), (1937, 10414984), (2132, 9462394), (2248, 8974121), (2938, 6866516), (3653, 5522536), (3874, 5207492), (4264, 4731197), (4633, 4354376), (5876, 3433258), (6109, 3302312), (7306, 2761268), (7748, 2603746), (9266, 2177188), (11521, 1751048), (11752, 1716629), (12218, 1651156), (14612, 1380634), (15496, 1301873), (16837, 1198184), (18532, 1088594), (23042, 875524), (24436, 825578), (29224, 690317), (31753, 635336), (33674, 599092), (37064, 544297), (41869, 481832), (46084, 437762), (48872, 412789), (60229, 334952), (63506, 317668), (67348, 299546), (79417, 254024), (83738, 240916), (92168, 218881), (120458, 167476), (127012, 158834), (134696, 149773)]