20291223120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{1447}}^1$

素因数の和:1978

約数の個数: 320

約数和(自身を含む): 76325400576

約数和(自身を除く): 56034177456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 491, 510, 560, 595, 680, 714, 816, 840, 952, 982, 1020, 1190, 1360, 1428, 1447, 1473, 1680, 1785, 1904, 1964, 2040, 2380, 2455, 2856, 2894, 2946, 3437, 3570, 3928, 4080, 4341, 4760, 4910, 5712, 5788, 5892, 6874, 7140, 7235, 7365, 7856, 8347, 8682, 9520, 9820, 10129, 10311, 11576, 11784, 13748, 14280, 14470, 14730, 16694, 17185, 17364, 19640, 20258, 20622, 21705, 23152, 23568, 24599, 25041, 27496, 28560, 28940, 29460, 30387, 33388, 34370, 34728, 39280, 40516, 41244, 41735, 43410, 49198, 50082, 50645, 51555, 54992, 57880, 58429, 58920, 60774, 66776, 68740, 69456, 73797, 81032, 82488, 83470, 86820, 98396, 100164, 101290, 103110, 115760, 116858, 117840, 121548, 122995, 125205, 133552, 137480, 147594, 151935, 162064, 164976, 166940, 172193, 173640, 175287, 196792, 200328, 202580, 206220, 233716, 243096, 245990, 250410, 274960, 292145, 295188, 303870, 333880, 344386, 347280, 350574, 368985, 393584, 400656, 405160, 412440, 467432, 486192, 491980, 500820, 516579, 584290, 590376, 607740, 667760, 688772, 701148, 710477, 737970, 810320, 824880, 860965, 876435, 934864, 983960, 1001640, 1033158, 1168580, 1180752, 1215480, 1377544, 1402296, 1420954, 1475940, 1721930, 1752870, 1967920, 2003280, 2066316, 2131431, 2337160, 2430960, 2582895, 2755088, 2804592, 2841908, 2951880, 3443860, 3505740, 3552385, 4132632, 4262862, 4674320, 4973339, 5165790, 5683816, 5903760, 6887720, 7011480, 7104770, 8265264, 8525724, 9946678, 10331580, 10657155, 11367632, 12078109, 13775440, 14022960, 14209540, 14920017, 17051448, 19893356, 20663160, 21314310, 24156218, 24866695, 28419080, 29840034, 34102896, 36234327, 39786712, 41326320, 42628620, 48312436, 49733390, 56838160, 59680068, 60390545, 72468654, 74600085, 79573424, 84546763, 85257240, 96624872, 99466780, 119360136, 120781090, 144937308, 149200170, 169093526, 170514480, 181171635, 193249744, 198933560, 238720272, 241562180, 253640289, 289874616, 298400340, 338187052, 362343270, 397867120, 422733815, 483124360, 507280578, 579749232, 596800680, 676374104, 724686540, 845467630, 966248720, 1014561156, 1193601360, 1268201445, 1352748208, 1449373080, 1690935260, 2029122312, 2536402890, 2898746160, 3381870520, 4058244624, 5072805780, 6763741040, 10145611560, 20291223120]

約数ペア:

[(1, 20291223120), (2, 10145611560), (3, 6763741040), (4, 5072805780), (5, 4058244624), (6, 3381870520), (7, 2898746160), (8, 2536402890), (10, 2029122312), (12, 1690935260), (14, 1449373080), (15, 1352748208), (16, 1268201445), (17, 1193601360), (20, 1014561156), (21, 966248720), (24, 845467630), (28, 724686540), (30, 676374104), (34, 596800680), (35, 579749232), (40, 507280578), (42, 483124360), (48, 422733815), (51, 397867120), (56, 362343270), (60, 338187052), (68, 298400340), (70, 289874616), (80, 253640289), (84, 241562180), (85, 238720272), (102, 198933560), (105, 193249744), (112, 181171635), (119, 170514480), (120, 169093526), (136, 149200170), (140, 144937308), (168, 120781090), (170, 119360136), (204, 99466780), (210, 96624872), (238, 85257240), (240, 84546763), (255, 79573424), (272, 74600085), (280, 72468654), (336, 60390545), (340, 59680068), (357, 56838160), (408, 49733390), (420, 48312436), (476, 42628620), (491, 41326320), (510, 39786712), (560, 36234327), (595, 34102896), (680, 29840034), (714, 28419080), (816, 24866695), (840, 24156218), (952, 21314310), (982, 20663160), (1020, 19893356), (1190, 17051448), (1360, 14920017), (1428, 14209540), (1447, 14022960), (1473, 13775440), (1680, 12078109), (1785, 11367632), (1904, 10657155), (1964, 10331580), (2040, 9946678), (2380, 8525724), (2455, 8265264), (2856, 7104770), (2894, 7011480), (2946, 6887720), (3437, 5903760), (3570, 5683816), (3928, 5165790), (4080, 4973339), (4341, 4674320), (4760, 4262862), (4910, 4132632), (5712, 3552385), (5788, 3505740), (5892, 3443860), (6874, 2951880), (7140, 2841908), (7235, 2804592), (7365, 2755088), (7856, 2582895), (8347, 2430960), (8682, 2337160), (9520, 2131431), (9820, 2066316), (10129, 2003280), (10311, 1967920), (11576, 1752870), (11784, 1721930), (13748, 1475940), (14280, 1420954), (14470, 1402296), (14730, 1377544), (16694, 1215480), (17185, 1180752), (17364, 1168580), (19640, 1033158), (20258, 1001640), (20622, 983960), (21705, 934864), (23152, 876435), (23568, 860965), (24599, 824880), (25041, 810320), (27496, 737970), (28560, 710477), (28940, 701148), (29460, 688772), (30387, 667760), (33388, 607740), (34370, 590376), (34728, 584290), (39280, 516579), (40516, 500820), (41244, 491980), (41735, 486192), (43410, 467432), (49198, 412440), (50082, 405160), (50645, 400656), (51555, 393584), (54992, 368985), (57880, 350574), (58429, 347280), (58920, 344386), (60774, 333880), (66776, 303870), (68740, 295188), (69456, 292145), (73797, 274960), (81032, 250410), (82488, 245990), (83470, 243096), (86820, 233716), (98396, 206220), (100164, 202580), (101290, 200328), (103110, 196792), (115760, 175287), (116858, 173640), (117840, 172193), (121548, 166940), (122995, 164976), (125205, 162064), (133552, 151935), (137480, 147594)]