20421815904

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59239}}^1$

素因数の和:59287

約数の個数: 240

約数和(自身を含む): 72253843200

約数和(自身を除く): 51832027296

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 32, 36, 38, 42, 48, 54, 56, 57, 63, 72, 76, 81, 84, 96, 108, 112, 114, 126, 133, 144, 152, 162, 168, 171, 189, 216, 224, 228, 252, 266, 288, 304, 324, 336, 342, 378, 399, 432, 456, 504, 513, 532, 567, 608, 648, 672, 684, 756, 798, 864, 912, 1008, 1026, 1064, 1134, 1197, 1296, 1368, 1512, 1539, 1596, 1824, 2016, 2052, 2128, 2268, 2394, 2592, 2736, 3024, 3078, 3192, 3591, 4104, 4256, 4536, 4788, 5472, 6048, 6156, 6384, 7182, 8208, 9072, 9576, 10773, 12312, 12768, 14364, 16416, 18144, 19152, 21546, 24624, 28728, 38304, 43092, 49248, 57456, 59239, 86184, 114912, 118478, 172368, 177717, 236956, 344736, 355434, 414673, 473912, 533151, 710868, 829346, 947824, 1066302, 1125541, 1244019, 1421736, 1599453, 1658692, 1895648, 2132604, 2251082, 2488038, 2843472, 3198906, 3317384, 3376623, 3732057, 4265208, 4502164, 4798359, 4976076, 5686944, 6397812, 6634768, 6753246, 7464114, 7878787, 8530416, 9004328, 9596718, 9952152, 10129869, 11196171, 12795624, 13269536, 13506492, 14928228, 15757574, 17060832, 18008656, 19193436, 19904304, 20259738, 22392342, 23636361, 25591248, 27012984, 29856456, 30389607, 31515148, 33588513, 36017312, 38386872, 39808608, 40519476, 44784684, 47272722, 51182496, 54025968, 59712912, 60779214, 63030296, 67177026, 70909083, 76773744, 81038952, 89569368, 91168821, 94545444, 108051936, 119425824, 121558428, 126060592, 134354052, 141818166, 153547488, 162077904, 179138736, 182337642, 189090888, 212727249, 243116856, 252121184, 268708104, 283636332, 324155808, 358277472, 364675284, 378181776, 425454498, 486233712, 537416208, 567272664, 638181747, 729350568, 756363552, 850908996, 972467424, 1074832416, 1134545328, 1276363494, 1458701136, 1701817992, 2269090656, 2552726988, 2917402272, 3403635984, 5105453976, 6807271968, 10210907952, 20421815904]

約数ペア:

[(1, 20421815904), (2, 10210907952), (3, 6807271968), (4, 5105453976), (6, 3403635984), (7, 2917402272), (8, 2552726988), (9, 2269090656), (12, 1701817992), (14, 1458701136), (16, 1276363494), (18, 1134545328), (19, 1074832416), (21, 972467424), (24, 850908996), (27, 756363552), (28, 729350568), (32, 638181747), (36, 567272664), (38, 537416208), (42, 486233712), (48, 425454498), (54, 378181776), (56, 364675284), (57, 358277472), (63, 324155808), (72, 283636332), (76, 268708104), (81, 252121184), (84, 243116856), (96, 212727249), (108, 189090888), (112, 182337642), (114, 179138736), (126, 162077904), (133, 153547488), (144, 141818166), (152, 134354052), (162, 126060592), (168, 121558428), (171, 119425824), (189, 108051936), (216, 94545444), (224, 91168821), (228, 89569368), (252, 81038952), (266, 76773744), (288, 70909083), (304, 67177026), (324, 63030296), (336, 60779214), (342, 59712912), (378, 54025968), (399, 51182496), (432, 47272722), (456, 44784684), (504, 40519476), (513, 39808608), (532, 38386872), (567, 36017312), (608, 33588513), (648, 31515148), (672, 30389607), (684, 29856456), (756, 27012984), (798, 25591248), (864, 23636361), (912, 22392342), (1008, 20259738), (1026, 19904304), (1064, 19193436), (1134, 18008656), (1197, 17060832), (1296, 15757574), (1368, 14928228), (1512, 13506492), (1539, 13269536), (1596, 12795624), (1824, 11196171), (2016, 10129869), (2052, 9952152), (2128, 9596718), (2268, 9004328), (2394, 8530416), (2592, 7878787), (2736, 7464114), (3024, 6753246), (3078, 6634768), (3192, 6397812), (3591, 5686944), (4104, 4976076), (4256, 4798359), (4536, 4502164), (4788, 4265208), (5472, 3732057), (6048, 3376623), (6156, 3317384), (6384, 3198906), (7182, 2843472), (8208, 2488038), (9072, 2251082), (9576, 2132604), (10773, 1895648), (12312, 1658692), (12768, 1599453), (14364, 1421736), (16416, 1244019), (18144, 1125541), (19152, 1066302), (21546, 947824), (24624, 829346), (28728, 710868), (38304, 533151), (43092, 473912), (49248, 414673), (57456, 355434), (59239, 344736), (86184, 236956), (114912, 177717), (118478, 172368)]