20168704820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{439}}^1$

素因数の和:886

約数の個数: 192

約数和(自身を含む): 50561280000

約数和(自身を除く): 30392575180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 29, 38, 44, 55, 58, 76, 95, 110, 116, 145, 190, 209, 220, 290, 319, 379, 380, 418, 439, 551, 580, 638, 758, 836, 878, 1045, 1102, 1276, 1516, 1595, 1756, 1895, 2090, 2195, 2204, 2755, 3190, 3790, 4169, 4180, 4390, 4829, 5510, 6061, 6380, 7201, 7580, 8338, 8341, 8780, 9658, 10991, 11020, 12122, 12731, 14402, 16676, 16682, 19316, 20845, 21982, 24145, 24244, 25462, 28804, 30305, 33364, 36005, 41690, 41705, 43964, 48290, 50924, 54955, 60610, 63655, 72010, 79211, 83380, 83410, 91751, 96580, 109910, 120901, 121220, 127310, 140041, 144020, 158422, 166381, 166820, 183502, 208829, 219820, 241802, 241889, 254620, 280082, 316844, 332762, 367004, 396055, 417658, 458755, 483604, 483778, 560164, 604505, 665524, 700205, 792110, 831905, 835316, 917510, 967556, 1044145, 1209010, 1209445, 1400410, 1584220, 1663810, 1830191, 1835020, 2088290, 2297119, 2418020, 2418890, 2660779, 2800820, 3161239, 3327620, 3660382, 4176580, 4594238, 4825049, 4837780, 5321558, 6322478, 7320764, 9150955, 9188476, 9650098, 10643116, 11485595, 12644956, 13303895, 15806195, 18301910, 19300196, 22971190, 24125245, 26607790, 31612390, 34773629, 36603820, 45942380, 48250490, 53075539, 53215580, 63224780, 69547258, 91675931, 96500980, 106151078, 139094516, 173868145, 183351862, 212302156, 265377695, 347736290, 366703724, 458379655, 530755390, 695472580, 916759310, 1008435241, 1061510780, 1833518620, 2016870482, 4033740964, 5042176205, 10084352410, 20168704820]

約数ペア:

[(1, 20168704820), (2, 10084352410), (4, 5042176205), (5, 4033740964), (10, 2016870482), (11, 1833518620), (19, 1061510780), (20, 1008435241), (22, 916759310), (29, 695472580), (38, 530755390), (44, 458379655), (55, 366703724), (58, 347736290), (76, 265377695), (95, 212302156), (110, 183351862), (116, 173868145), (145, 139094516), (190, 106151078), (209, 96500980), (220, 91675931), (290, 69547258), (319, 63224780), (379, 53215580), (380, 53075539), (418, 48250490), (439, 45942380), (551, 36603820), (580, 34773629), (638, 31612390), (758, 26607790), (836, 24125245), (878, 22971190), (1045, 19300196), (1102, 18301910), (1276, 15806195), (1516, 13303895), (1595, 12644956), (1756, 11485595), (1895, 10643116), (2090, 9650098), (2195, 9188476), (2204, 9150955), (2755, 7320764), (3190, 6322478), (3790, 5321558), (4169, 4837780), (4180, 4825049), (4390, 4594238), (4829, 4176580), (5510, 3660382), (6061, 3327620), (6380, 3161239), (7201, 2800820), (7580, 2660779), (8338, 2418890), (8341, 2418020), (8780, 2297119), (9658, 2088290), (10991, 1835020), (11020, 1830191), (12122, 1663810), (12731, 1584220), (14402, 1400410), (16676, 1209445), (16682, 1209010), (19316, 1044145), (20845, 967556), (21982, 917510), (24145, 835316), (24244, 831905), (25462, 792110), (28804, 700205), (30305, 665524), (33364, 604505), (36005, 560164), (41690, 483778), (41705, 483604), (43964, 458755), (48290, 417658), (50924, 396055), (54955, 367004), (60610, 332762), (63655, 316844), (72010, 280082), (79211, 254620), (83380, 241889), (83410, 241802), (91751, 219820), (96580, 208829), (109910, 183502), (120901, 166820), (121220, 166381), (127310, 158422), (140041, 144020)]