20199596480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{971}}^1$

素因数の和:1283

約数の個数: 224

約数和(自身を含む): 56740787712

約数和(自身を除く): 36541191232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 140, 148, 160, 185, 224, 251, 259, 280, 296, 320, 370, 448, 502, 518, 560, 592, 740, 971, 1004, 1036, 1120, 1184, 1255, 1295, 1480, 1757, 1942, 2008, 2072, 2240, 2368, 2510, 2590, 2960, 3514, 3884, 4016, 4144, 4855, 5020, 5180, 5920, 6797, 7028, 7768, 8032, 8288, 8785, 9287, 9710, 10040, 10360, 11840, 13594, 14056, 15536, 16064, 16576, 17570, 18574, 19420, 20080, 20720, 27188, 28112, 31072, 33985, 35140, 35927, 37148, 38840, 40160, 41440, 46435, 54376, 56224, 62144, 65009, 67970, 70280, 71854, 74296, 77680, 80320, 82880, 92870, 108752, 112448, 130018, 135940, 140560, 143708, 148592, 155360, 179635, 185740, 217504, 243721, 251489, 260036, 271880, 281120, 287416, 297184, 310720, 325045, 359270, 371480, 435008, 487442, 502978, 520072, 543760, 562240, 574832, 594368, 650090, 718540, 742960, 974884, 1005956, 1040144, 1087520, 1149664, 1218605, 1257445, 1300180, 1437080, 1485920, 1706047, 1949768, 2011912, 2080288, 2175040, 2299328, 2437210, 2514890, 2600360, 2874160, 2971840, 3412094, 3899536, 4023824, 4160576, 4874420, 5029780, 5200720, 5748320, 6824188, 7799072, 8047648, 8530235, 9017677, 9748840, 10059560, 10401440, 11496640, 13648376, 15598144, 16095296, 17060470, 18035354, 19497680, 20119120, 20802880, 27296752, 34120940, 36070708, 38995360, 40238240, 45088385, 54593504, 63123739, 68241880, 72141416, 77990720, 80476480, 90176770, 109187008, 126247478, 136483760, 144282832, 180353540, 252494956, 272967520, 288565664, 315618695, 360707080, 504989912, 545935040, 577131328, 631237390, 721414160, 1009979824, 1262474780, 1442828320, 2019959648, 2524949560, 2885656640, 4039919296, 5049899120, 10099798240, 20199596480]

約数ペア:

[(1, 20199596480), (2, 10099798240), (4, 5049899120), (5, 4039919296), (7, 2885656640), (8, 2524949560), (10, 2019959648), (14, 1442828320), (16, 1262474780), (20, 1009979824), (28, 721414160), (32, 631237390), (35, 577131328), (37, 545935040), (40, 504989912), (56, 360707080), (64, 315618695), (70, 288565664), (74, 272967520), (80, 252494956), (112, 180353540), (140, 144282832), (148, 136483760), (160, 126247478), (185, 109187008), (224, 90176770), (251, 80476480), (259, 77990720), (280, 72141416), (296, 68241880), (320, 63123739), (370, 54593504), (448, 45088385), (502, 40238240), (518, 38995360), (560, 36070708), (592, 34120940), (740, 27296752), (971, 20802880), (1004, 20119120), (1036, 19497680), (1120, 18035354), (1184, 17060470), (1255, 16095296), (1295, 15598144), (1480, 13648376), (1757, 11496640), (1942, 10401440), (2008, 10059560), (2072, 9748840), (2240, 9017677), (2368, 8530235), (2510, 8047648), (2590, 7799072), (2960, 6824188), (3514, 5748320), (3884, 5200720), (4016, 5029780), (4144, 4874420), (4855, 4160576), (5020, 4023824), (5180, 3899536), (5920, 3412094), (6797, 2971840), (7028, 2874160), (7768, 2600360), (8032, 2514890), (8288, 2437210), (8785, 2299328), (9287, 2175040), (9710, 2080288), (10040, 2011912), (10360, 1949768), (11840, 1706047), (13594, 1485920), (14056, 1437080), (15536, 1300180), (16064, 1257445), (16576, 1218605), (17570, 1149664), (18574, 1087520), (19420, 1040144), (20080, 1005956), (20720, 974884), (27188, 742960), (28112, 718540), (31072, 650090), (33985, 594368), (35140, 574832), (35927, 562240), (37148, 543760), (38840, 520072), (40160, 502978), (41440, 487442), (46435, 435008), (54376, 371480), (56224, 359270), (62144, 325045), (65009, 310720), (67970, 297184), (70280, 287416), (71854, 281120), (74296, 271880), (77680, 260036), (80320, 251489), (82880, 243721), (92870, 217504), (108752, 185740), (112448, 179635), (130018, 155360), (135940, 148592), (140560, 143708)]