20199931920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{1993}}^1\times {\mathrm{2011}}^1$

素因数の和:4030

約数の個数: 240

約数和(自身を含む): 77606735232

約数和(自身を除く): 57406803312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 1993, 2011, 2520, 3986, 4022, 5040, 5979, 6033, 7972, 8044, 9965, 10055, 11958, 12066, 13951, 14077, 15944, 16088, 17937, 18099, 19930, 20110, 23916, 24132, 27902, 28154, 29895, 30165, 31888, 32176, 35874, 36198, 39860, 40220, 41853, 42231, 47832, 48264, 55804, 56308, 59790, 60330, 69755, 70385, 71748, 72396, 79720, 80440, 83706, 84462, 89685, 90495, 95664, 96528, 111608, 112616, 119580, 120660, 125559, 126693, 139510, 140770, 143496, 144792, 159440, 160880, 167412, 168924, 179370, 180990, 209265, 211155, 223216, 225232, 239160, 241320, 251118, 253386, 279020, 281540, 286992, 289584, 334824, 337848, 358740, 361980, 418530, 422310, 478320, 482640, 502236, 506772, 558040, 563080, 627795, 633465, 669648, 675696, 717480, 723960, 837060, 844620, 1004472, 1013544, 1116080, 1126160, 1255590, 1266930, 1434960, 1447920, 1674120, 1689240, 2008944, 2027088, 2511180, 2533860, 3348240, 3378480, 4007923, 5022360, 5067720, 8015846, 10044720, 10135440, 12023769, 16031692, 20039615, 24047538, 28055461, 32063384, 36071307, 40079230, 48095076, 56110922, 60118845, 64126768, 72142614, 80158460, 84166383, 96190152, 112221844, 120237690, 140277305, 144285228, 160316920, 168332766, 180356535, 192380304, 224443688, 240475380, 252499149, 280554610, 288570456, 320633840, 336665532, 360713070, 420831915, 448887376, 480950760, 504998298, 561109220, 577140912, 673331064, 721426140, 841663830, 961901520, 1009996596, 1122218440, 1262495745, 1346662128, 1442852280, 1683327660, 2019993192, 2244436880, 2524991490, 2885704560, 3366655320, 4039986384, 5049982980, 6733310640, 10099965960, 20199931920]

約数ペア:

[(1, 20199931920), (2, 10099965960), (3, 6733310640), (4, 5049982980), (5, 4039986384), (6, 3366655320), (7, 2885704560), (8, 2524991490), (9, 2244436880), (10, 2019993192), (12, 1683327660), (14, 1442852280), (15, 1346662128), (16, 1262495745), (18, 1122218440), (20, 1009996596), (21, 961901520), (24, 841663830), (28, 721426140), (30, 673331064), (35, 577140912), (36, 561109220), (40, 504998298), (42, 480950760), (45, 448887376), (48, 420831915), (56, 360713070), (60, 336665532), (63, 320633840), (70, 288570456), (72, 280554610), (80, 252499149), (84, 240475380), (90, 224443688), (105, 192380304), (112, 180356535), (120, 168332766), (126, 160316920), (140, 144285228), (144, 140277305), (168, 120237690), (180, 112221844), (210, 96190152), (240, 84166383), (252, 80158460), (280, 72142614), (315, 64126768), (336, 60118845), (360, 56110922), (420, 48095076), (504, 40079230), (560, 36071307), (630, 32063384), (720, 28055461), (840, 24047538), (1008, 20039615), (1260, 16031692), (1680, 12023769), (1993, 10135440), (2011, 10044720), (2520, 8015846), (3986, 5067720), (4022, 5022360), (5040, 4007923), (5979, 3378480), (6033, 3348240), (7972, 2533860), (8044, 2511180), (9965, 2027088), (10055, 2008944), (11958, 1689240), (12066, 1674120), (13951, 1447920), (14077, 1434960), (15944, 1266930), (16088, 1255590), (17937, 1126160), (18099, 1116080), (19930, 1013544), (20110, 1004472), (23916, 844620), (24132, 837060), (27902, 723960), (28154, 717480), (29895, 675696), (30165, 669648), (31888, 633465), (32176, 627795), (35874, 563080), (36198, 558040), (39860, 506772), (40220, 502236), (41853, 482640), (42231, 478320), (47832, 422310), (48264, 418530), (55804, 361980), (56308, 358740), (59790, 337848), (60330, 334824), (69755, 289584), (70385, 286992), (71748, 281540), (72396, 279020), (79720, 253386), (80440, 251118), (83706, 241320), (84462, 239160), (89685, 225232), (90495, 223216), (95664, 211155), (96528, 209265), (111608, 180990), (112616, 179370), (119580, 168924), (120660, 167412), (125559, 160880), (126693, 159440), (139510, 144792), (140770, 143496)]