20187207040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31511}}^1$

素因数の和:31561

約数の個数: 256

約数和(自身を含む): 64798755840

約数和(自身を除く): 44611548800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 64, 65, 70, 77, 80, 88, 91, 104, 110, 112, 128, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 260, 280, 286, 308, 320, 352, 364, 385, 416, 440, 448, 455, 520, 560, 572, 616, 640, 704, 715, 728, 770, 832, 880, 896, 910, 1001, 1040, 1120, 1144, 1232, 1408, 1430, 1456, 1540, 1664, 1760, 1820, 2002, 2080, 2240, 2288, 2464, 2860, 2912, 3080, 3520, 3640, 4004, 4160, 4480, 4576, 4928, 5005, 5720, 5824, 6160, 7040, 7280, 8008, 8320, 9152, 9856, 10010, 11440, 11648, 12320, 14560, 16016, 18304, 20020, 22880, 24640, 29120, 31511, 32032, 40040, 45760, 49280, 58240, 63022, 64064, 80080, 91520, 126044, 128128, 157555, 160160, 220577, 252088, 315110, 320320, 346621, 409643, 441154, 504176, 630220, 640640, 693242, 819286, 882308, 1008352, 1102885, 1260440, 1386484, 1638572, 1733105, 1764616, 2016704, 2048215, 2205770, 2426347, 2520880, 2772968, 2867501, 3277144, 3466210, 3529232, 4033408, 4096430, 4411540, 4506073, 4852694, 5041760, 5545936, 5735002, 6554288, 6932420, 7058464, 8192860, 8823080, 9012146, 9705388, 10083520, 11091872, 11470004, 12131735, 13108576, 13864840, 14116928, 14337505, 16385720, 17646160, 18024292, 19410776, 20167040, 22183744, 22530365, 22940008, 24263470, 26217152, 27729680, 28233856, 28675010, 31542511, 32771440, 35292320, 36048584, 38821552, 44367488, 45060730, 45880016, 48526940, 52434304, 55459360, 57350020, 63085022, 65542880, 70584640, 72097168, 77643104, 90121460, 91760032, 97053880, 110918720, 114700040, 126170044, 131085760, 141169280, 144194336, 155286208, 157712555, 180242920, 183520064, 194107760, 221837440, 229400080, 252340088, 262171520, 288388672, 310572416, 315425110, 360485840, 367040128, 388215520, 458800160, 504680176, 576777344, 630850220, 720971680, 776431040, 917600320, 1009360352, 1261700440, 1441943360, 1552862080, 1835200640, 2018720704, 2523400880, 2883886720, 4037441408, 5046801760, 10093603520, 20187207040]

約数ペア:

[(1, 20187207040), (2, 10093603520), (4, 5046801760), (5, 4037441408), (7, 2883886720), (8, 2523400880), (10, 2018720704), (11, 1835200640), (13, 1552862080), (14, 1441943360), (16, 1261700440), (20, 1009360352), (22, 917600320), (26, 776431040), (28, 720971680), (32, 630850220), (35, 576777344), (40, 504680176), (44, 458800160), (52, 388215520), (55, 367040128), (56, 360485840), (64, 315425110), (65, 310572416), (70, 288388672), (77, 262171520), (80, 252340088), (88, 229400080), (91, 221837440), (104, 194107760), (110, 183520064), (112, 180242920), (128, 157712555), (130, 155286208), (140, 144194336), (143, 141169280), (154, 131085760), (160, 126170044), (176, 114700040), (182, 110918720), (208, 97053880), (220, 91760032), (224, 90121460), (260, 77643104), (280, 72097168), (286, 70584640), (308, 65542880), (320, 63085022), (352, 57350020), (364, 55459360), (385, 52434304), (416, 48526940), (440, 45880016), (448, 45060730), (455, 44367488), (520, 38821552), (560, 36048584), (572, 35292320), (616, 32771440), (640, 31542511), (704, 28675010), (715, 28233856), (728, 27729680), (770, 26217152), (832, 24263470), (880, 22940008), (896, 22530365), (910, 22183744), (1001, 20167040), (1040, 19410776), (1120, 18024292), (1144, 17646160), (1232, 16385720), (1408, 14337505), (1430, 14116928), (1456, 13864840), (1540, 13108576), (1664, 12131735), (1760, 11470004), (1820, 11091872), (2002, 10083520), (2080, 9705388), (2240, 9012146), (2288, 8823080), (2464, 8192860), (2860, 7058464), (2912, 6932420), (3080, 6554288), (3520, 5735002), (3640, 5545936), (4004, 5041760), (4160, 4852694), (4480, 4506073), (4576, 4411540), (4928, 4096430), (5005, 4033408), (5720, 3529232), (5824, 3466210), (6160, 3277144), (7040, 2867501), (7280, 2772968), (8008, 2520880), (8320, 2426347), (9152, 2205770), (9856, 2048215), (10010, 2016704), (11440, 1764616), (11648, 1733105), (12320, 1638572), (14560, 1386484), (16016, 1260440), (18304, 1102885), (20020, 1008352), (22880, 882308), (24640, 819286), (29120, 693242), (31511, 640640), (32032, 630220), (40040, 504176), (45760, 441154), (49280, 409643), (58240, 346621), (63022, 320320), (64064, 315110), (80080, 252088), (91520, 220577), (126044, 160160), (128128, 157555)]