20573096720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{5351}}^1$

素因数の和:5649

約数の個数: 160

約数和(自身を含む): 55475663616

約数和(自身を除く): 34902566896

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 257, 272, 340, 374, 440, 514, 680, 748, 880, 935, 1028, 1285, 1360, 1496, 1870, 2056, 2570, 2827, 2992, 3740, 4112, 4369, 5140, 5351, 5654, 7480, 8738, 10280, 10702, 11308, 14135, 14960, 17476, 20560, 21404, 21845, 22616, 26755, 28270, 34952, 42808, 43690, 45232, 48059, 53510, 56540, 58861, 69904, 85616, 87380, 90967, 96118, 107020, 113080, 117722, 174760, 181934, 192236, 214040, 226160, 235444, 240295, 294305, 349520, 363868, 384472, 428080, 454835, 470888, 480590, 588610, 727736, 768944, 909670, 941776, 961180, 1000637, 1177220, 1375207, 1455472, 1819340, 1922360, 2001274, 2354440, 2750414, 3638680, 3844720, 4002548, 4708880, 5003185, 5500828, 6876035, 7277360, 8005096, 10006370, 11001656, 13752070, 15127277, 16010192, 20012740, 22003312, 23378519, 27504140, 30254554, 40025480, 46757038, 55008280, 60509108, 75636385, 80050960, 93514076, 110016560, 116892595, 121018216, 151272770, 187028152, 233785190, 242036432, 257163709, 302545540, 374056304, 467570380, 514327418, 605091080, 935140760, 1028654836, 1210182160, 1285818545, 1870281520, 2057309672, 2571637090, 4114619344, 5143274180, 10286548360, 20573096720]

約数ペア:

[(1, 20573096720), (2, 10286548360), (4, 5143274180), (5, 4114619344), (8, 2571637090), (10, 2057309672), (11, 1870281520), (16, 1285818545), (17, 1210182160), (20, 1028654836), (22, 935140760), (34, 605091080), (40, 514327418), (44, 467570380), (55, 374056304), (68, 302545540), (80, 257163709), (85, 242036432), (88, 233785190), (110, 187028152), (136, 151272770), (170, 121018216), (176, 116892595), (187, 110016560), (220, 93514076), (257, 80050960), (272, 75636385), (340, 60509108), (374, 55008280), (440, 46757038), (514, 40025480), (680, 30254554), (748, 27504140), (880, 23378519), (935, 22003312), (1028, 20012740), (1285, 16010192), (1360, 15127277), (1496, 13752070), (1870, 11001656), (2056, 10006370), (2570, 8005096), (2827, 7277360), (2992, 6876035), (3740, 5500828), (4112, 5003185), (4369, 4708880), (5140, 4002548), (5351, 3844720), (5654, 3638680), (7480, 2750414), (8738, 2354440), (10280, 2001274), (10702, 1922360), (11308, 1819340), (14135, 1455472), (14960, 1375207), (17476, 1177220), (20560, 1000637), (21404, 961180), (21845, 941776), (22616, 909670), (26755, 768944), (28270, 727736), (34952, 588610), (42808, 480590), (43690, 470888), (45232, 454835), (48059, 428080), (53510, 384472), (56540, 363868), (58861, 349520), (69904, 294305), (85616, 240295), (87380, 235444), (90967, 226160), (96118, 214040), (107020, 192236), (113080, 181934), (117722, 174760)]