20122969440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{6007}}^1$

素因数の和:7029

約数の個数: 192

約数和(自身を含む): 72527422464

約数和(自身を除く): 52404453024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 997, 1120, 1680, 1994, 2991, 3360, 3988, 4985, 5982, 6007, 6979, 7976, 9970, 11964, 12014, 13958, 14955, 15952, 18021, 19940, 20937, 23928, 24028, 27916, 29910, 30035, 31904, 34895, 36042, 39880, 41874, 42049, 47856, 48056, 55832, 59820, 60070, 69790, 72084, 79760, 83748, 84098, 90105, 95712, 96112, 104685, 111664, 119640, 120140, 126147, 139580, 144168, 159520, 167496, 168196, 180210, 192224, 209370, 210245, 223328, 239280, 240280, 252294, 279160, 288336, 334992, 336392, 360420, 418740, 420490, 478560, 480560, 504588, 558320, 576672, 630735, 669984, 672784, 720840, 837480, 840980, 961120, 1009176, 1116640, 1261470, 1345568, 1441680, 1674960, 1681960, 2018352, 2522940, 2883360, 3349920, 3363920, 4036704, 5045880, 5988979, 6727840, 10091760, 11977958, 17966937, 20183520, 23955916, 29944895, 35933874, 41922853, 47911832, 59889790, 71867748, 83845706, 89834685, 95823664, 119779580, 125768559, 143735496, 167691412, 179669370, 191647328, 209614265, 239559160, 251537118, 287470992, 335382824, 359338740, 419228530, 479118320, 503074236, 574941984, 628842795, 670765648, 718677480, 838457060, 958236640, 1006148472, 1257685590, 1341531296, 1437354960, 1676914120, 2012296944, 2515371180, 2874709920, 3353828240, 4024593888, 5030742360, 6707656480, 10061484720, 20122969440]

約数ペア:

[(1, 20122969440), (2, 10061484720), (3, 6707656480), (4, 5030742360), (5, 4024593888), (6, 3353828240), (7, 2874709920), (8, 2515371180), (10, 2012296944), (12, 1676914120), (14, 1437354960), (15, 1341531296), (16, 1257685590), (20, 1006148472), (21, 958236640), (24, 838457060), (28, 718677480), (30, 670765648), (32, 628842795), (35, 574941984), (40, 503074236), (42, 479118320), (48, 419228530), (56, 359338740), (60, 335382824), (70, 287470992), (80, 251537118), (84, 239559160), (96, 209614265), (105, 191647328), (112, 179669370), (120, 167691412), (140, 143735496), (160, 125768559), (168, 119779580), (210, 95823664), (224, 89834685), (240, 83845706), (280, 71867748), (336, 59889790), (420, 47911832), (480, 41922853), (560, 35933874), (672, 29944895), (840, 23955916), (997, 20183520), (1120, 17966937), (1680, 11977958), (1994, 10091760), (2991, 6727840), (3360, 5988979), (3988, 5045880), (4985, 4036704), (5982, 3363920), (6007, 3349920), (6979, 2883360), (7976, 2522940), (9970, 2018352), (11964, 1681960), (12014, 1674960), (13958, 1441680), (14955, 1345568), (15952, 1261470), (18021, 1116640), (19940, 1009176), (20937, 961120), (23928, 840980), (24028, 837480), (27916, 720840), (29910, 672784), (30035, 669984), (31904, 630735), (34895, 576672), (36042, 558320), (39880, 504588), (41874, 480560), (42049, 478560), (47856, 420490), (48056, 418740), (55832, 360420), (59820, 336392), (60070, 334992), (69790, 288336), (72084, 279160), (79760, 252294), (83748, 240280), (84098, 239280), (90105, 223328), (95712, 210245), (96112, 209370), (104685, 192224), (111664, 180210), (119640, 168196), (120140, 167496), (126147, 159520), (139580, 144168)]