20498653440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{14011}}^1$

素因数の和:14165

約数の個数: 216

約数和(自身を含む): 71486757888

約数和(自身を除く): 50988104448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 127, 128, 144, 160, 180, 192, 240, 254, 256, 288, 320, 360, 381, 384, 480, 508, 576, 635, 640, 720, 762, 768, 960, 1016, 1143, 1152, 1270, 1280, 1440, 1524, 1905, 1920, 2032, 2286, 2304, 2540, 2880, 3048, 3810, 3840, 4064, 4572, 5080, 5715, 5760, 6096, 7620, 8128, 9144, 10160, 11430, 11520, 12192, 14011, 15240, 16256, 18288, 20320, 22860, 24384, 28022, 30480, 32512, 36576, 40640, 42033, 45720, 48768, 56044, 60960, 70055, 73152, 81280, 84066, 91440, 97536, 112088, 121920, 126099, 140110, 146304, 162560, 168132, 182880, 210165, 224176, 243840, 252198, 280220, 292608, 336264, 365760, 420330, 448352, 487680, 504396, 560440, 630495, 672528, 731520, 840660, 896704, 1008792, 1120880, 1260990, 1345056, 1463040, 1681320, 1779397, 1793408, 2017584, 2241760, 2521980, 2690112, 3362640, 3558794, 3586816, 4035168, 4483520, 5043960, 5338191, 5380224, 6725280, 7117588, 8070336, 8896985, 8967040, 10087920, 10676382, 10760448, 13450560, 14235176, 16014573, 16140672, 17793970, 17934080, 20175840, 21352764, 26690955, 26901120, 28470352, 32029146, 32281344, 35587940, 40351680, 42705528, 53381910, 53802240, 56940704, 64058292, 71175880, 80072865, 80703360, 85411056, 106763820, 113881408, 128116584, 142351760, 160145730, 161406720, 170822112, 213527640, 227762816, 256233168, 284703520, 320291460, 341644224, 427055280, 455525632, 512466336, 569407040, 640582920, 683288448, 854110560, 1024932672, 1138814080, 1281165840, 1366576896, 1708221120, 2049865344, 2277628160, 2562331680, 3416442240, 4099730688, 5124663360, 6832884480, 10249326720, 20498653440]

約数ペア:

[(1, 20498653440), (2, 10249326720), (3, 6832884480), (4, 5124663360), (5, 4099730688), (6, 3416442240), (8, 2562331680), (9, 2277628160), (10, 2049865344), (12, 1708221120), (15, 1366576896), (16, 1281165840), (18, 1138814080), (20, 1024932672), (24, 854110560), (30, 683288448), (32, 640582920), (36, 569407040), (40, 512466336), (45, 455525632), (48, 427055280), (60, 341644224), (64, 320291460), (72, 284703520), (80, 256233168), (90, 227762816), (96, 213527640), (120, 170822112), (127, 161406720), (128, 160145730), (144, 142351760), (160, 128116584), (180, 113881408), (192, 106763820), (240, 85411056), (254, 80703360), (256, 80072865), (288, 71175880), (320, 64058292), (360, 56940704), (381, 53802240), (384, 53381910), (480, 42705528), (508, 40351680), (576, 35587940), (635, 32281344), (640, 32029146), (720, 28470352), (762, 26901120), (768, 26690955), (960, 21352764), (1016, 20175840), (1143, 17934080), (1152, 17793970), (1270, 16140672), (1280, 16014573), (1440, 14235176), (1524, 13450560), (1905, 10760448), (1920, 10676382), (2032, 10087920), (2286, 8967040), (2304, 8896985), (2540, 8070336), (2880, 7117588), (3048, 6725280), (3810, 5380224), (3840, 5338191), (4064, 5043960), (4572, 4483520), (5080, 4035168), (5715, 3586816), (5760, 3558794), (6096, 3362640), (7620, 2690112), (8128, 2521980), (9144, 2241760), (10160, 2017584), (11430, 1793408), (11520, 1779397), (12192, 1681320), (14011, 1463040), (15240, 1345056), (16256, 1260990), (18288, 1120880), (20320, 1008792), (22860, 896704), (24384, 840660), (28022, 731520), (30480, 672528), (32512, 630495), (36576, 560440), (40640, 504396), (42033, 487680), (45720, 448352), (48768, 420330), (56044, 365760), (60960, 336264), (70055, 292608), (73152, 280220), (81280, 252198), (84066, 243840), (91440, 224176), (97536, 210165), (112088, 182880), (121920, 168132), (126099, 162560), (140110, 146304)]