20656225367680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{36305233}}^1$

素因数の和:36305386

約数の個数: 128

約数和(自身を含む): 56880136212480

約数和(自身を除く): 36223910844800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 280, 320, 448, 508, 560, 635, 640, 889, 896, 1016, 1120, 1270, 1778, 2032, 2240, 2540, 3556, 4064, 4445, 4480, 5080, 7112, 8128, 8890, 10160, 14224, 16256, 17780, 20320, 28448, 35560, 40640, 56896, 71120, 81280, 113792, 142240, 284480, 568960, 36305233, 72610466, 145220932, 181526165, 254136631, 290441864, 363052330, 508273262, 580883728, 726104660, 1016546524, 1161767456, 1270683155, 1452209320, 2033093048, 2323534912, 2541366310, 2904418640, 4066186096, 4610764591, 4647069824, 5082732620, 5808837280, 8132372192, 9221529182, 10165465240, 11617674560, 16264744384, 18443058364, 20330930480, 23053822955, 23235349120, 32275352137, 32529488768, 36886116728, 40661860960, 46107645910, 64550704274, 73772233456, 81323721920, 92215291820, 129101408548, 147544466912, 161376760685, 162647443840, 184430583640, 258202817096, 295088933824, 322753521370, 368861167280, 516405634192, 590177867648, 645507042740, 737722334560, 1032811268384, 1291014085480, 1475444669120, 2065622536768, 2582028170960, 2950889338240, 4131245073536, 5164056341920, 10328112683840, 20656225367680]

約数ペア:

[(1, 20656225367680), (2, 10328112683840), (4, 5164056341920), (5, 4131245073536), (7, 2950889338240), (8, 2582028170960), (10, 2065622536768), (14, 1475444669120), (16, 1291014085480), (20, 1032811268384), (28, 737722334560), (32, 645507042740), (35, 590177867648), (40, 516405634192), (56, 368861167280), (64, 322753521370), (70, 295088933824), (80, 258202817096), (112, 184430583640), (127, 162647443840), (128, 161376760685), (140, 147544466912), (160, 129101408548), (224, 92215291820), (254, 81323721920), (280, 73772233456), (320, 64550704274), (448, 46107645910), (508, 40661860960), (560, 36886116728), (635, 32529488768), (640, 32275352137), (889, 23235349120), (896, 23053822955), (1016, 20330930480), (1120, 18443058364), (1270, 16264744384), (1778, 11617674560), (2032, 10165465240), (2240, 9221529182), (2540, 8132372192), (3556, 5808837280), (4064, 5082732620), (4445, 4647069824), (4480, 4610764591), (5080, 4066186096), (7112, 2904418640), (8128, 2541366310), (8890, 2323534912), (10160, 2033093048), (14224, 1452209320), (16256, 1270683155), (17780, 1161767456), (20320, 1016546524), (28448, 726104660), (35560, 580883728), (40640, 508273262), (56896, 363052330), (71120, 290441864), (81280, 254136631), (113792, 181526165), (142240, 145220932), (284480, 72610466), (568960, 36305233)]