20123806240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:571

約数の個数: 192

約数和(自身を含む): 50090600448

約数和(自身を除く): 29966794208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 97, 124, 151, 155, 160, 194, 248, 277, 302, 310, 388, 485, 496, 554, 604, 620, 755, 776, 970, 992, 1108, 1208, 1240, 1385, 1510, 1552, 1940, 2216, 2416, 2480, 2770, 3007, 3020, 3104, 3880, 4432, 4681, 4832, 4960, 5540, 6014, 6040, 7760, 8587, 8864, 9362, 11080, 12028, 12080, 14647, 15035, 15520, 17174, 18724, 22160, 23405, 24056, 24160, 26869, 29294, 30070, 34348, 37448, 41827, 42935, 44320, 46810, 48112, 53738, 58588, 60140, 68696, 73235, 74896, 83654, 85870, 93620, 96224, 107476, 117176, 120280, 134345, 137392, 146470, 149792, 167308, 171740, 187240, 209135, 214952, 234352, 240560, 268690, 274784, 292940, 334616, 343480, 374480, 418270, 429904, 454057, 468704, 481120, 537380, 585880, 669232, 686960, 748960, 832939, 836540, 859808, 908114, 1074760, 1171760, 1296637, 1338464, 1373920, 1665878, 1673080, 1816228, 2149520, 2270285, 2343520, 2593274, 3331756, 3346160, 3632456, 4057219, 4164695, 4299040, 4540570, 5186548, 6483185, 6663512, 6692320, 7264912, 8114438, 8329390, 9081140, 10373096, 12966370, 13327024, 14529824, 16228876, 16658780, 18162280, 20286095, 20746192, 25932740, 26654048, 32457752, 33317560, 36324560, 40572190, 41492384, 51865480, 64915504, 66635120, 72649120, 81144380, 103730960, 125773789, 129831008, 133270240, 162288760, 207461920, 251547578, 324577520, 503095156, 628868945, 649155040, 1006190312, 1257737890, 2012380624, 2515475780, 4024761248, 5030951560, 10061903120, 20123806240]

約数ペア:

[(1, 20123806240), (2, 10061903120), (4, 5030951560), (5, 4024761248), (8, 2515475780), (10, 2012380624), (16, 1257737890), (20, 1006190312), (31, 649155040), (32, 628868945), (40, 503095156), (62, 324577520), (80, 251547578), (97, 207461920), (124, 162288760), (151, 133270240), (155, 129831008), (160, 125773789), (194, 103730960), (248, 81144380), (277, 72649120), (302, 66635120), (310, 64915504), (388, 51865480), (485, 41492384), (496, 40572190), (554, 36324560), (604, 33317560), (620, 32457752), (755, 26654048), (776, 25932740), (970, 20746192), (992, 20286095), (1108, 18162280), (1208, 16658780), (1240, 16228876), (1385, 14529824), (1510, 13327024), (1552, 12966370), (1940, 10373096), (2216, 9081140), (2416, 8329390), (2480, 8114438), (2770, 7264912), (3007, 6692320), (3020, 6663512), (3104, 6483185), (3880, 5186548), (4432, 4540570), (4681, 4299040), (4832, 4164695), (4960, 4057219), (5540, 3632456), (6014, 3346160), (6040, 3331756), (7760, 2593274), (8587, 2343520), (8864, 2270285), (9362, 2149520), (11080, 1816228), (12028, 1673080), (12080, 1665878), (14647, 1373920), (15035, 1338464), (15520, 1296637), (17174, 1171760), (18724, 1074760), (22160, 908114), (23405, 859808), (24056, 836540), (24160, 832939), (26869, 748960), (29294, 686960), (30070, 669232), (34348, 585880), (37448, 537380), (41827, 481120), (42935, 468704), (44320, 454057), (46810, 429904), (48112, 418270), (53738, 374480), (58588, 343480), (60140, 334616), (68696, 292940), (73235, 274784), (74896, 268690), (83654, 240560), (85870, 234352), (93620, 214952), (96224, 209135), (107476, 187240), (117176, 171740), (120280, 167308), (134345, 149792), (137392, 146470)]