20197594620

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61417}}^1$

素因数の和:61474

約数の個数: 240

約数和(自身を含む): 74910306240

約数和(自身を除く): 54712711620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 81, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 162, 174, 180, 189, 203, 210, 252, 261, 270, 290, 315, 324, 348, 378, 405, 406, 420, 435, 522, 540, 567, 580, 609, 630, 756, 783, 810, 812, 870, 945, 1015, 1044, 1134, 1218, 1260, 1305, 1566, 1620, 1740, 1827, 1890, 2030, 2268, 2349, 2436, 2610, 2835, 3045, 3132, 3654, 3780, 3915, 4060, 4698, 5220, 5481, 5670, 6090, 7308, 7830, 9135, 9396, 10962, 11340, 11745, 12180, 15660, 16443, 18270, 21924, 23490, 27405, 32886, 36540, 46980, 54810, 61417, 65772, 82215, 109620, 122834, 164430, 184251, 245668, 307085, 328860, 368502, 429919, 552753, 614170, 737004, 859838, 921255, 1105506, 1228340, 1289757, 1658259, 1719676, 1781093, 1842510, 2149595, 2211012, 2579514, 2763765, 3316518, 3562186, 3685020, 3869271, 4299190, 4974777, 5159028, 5343279, 5527530, 6448785, 6633036, 7124372, 7738542, 8291295, 8598380, 8905465, 9949554, 10686558, 11055060, 11607813, 12467651, 12897570, 15477084, 16029837, 16582590, 17810930, 19346355, 19899108, 21373116, 23215626, 24873885, 24935302, 25795140, 26716395, 32059674, 33165180, 34823439, 35621860, 37402953, 38692710, 46431252, 48089511, 49747770, 49870604, 53432790, 58039065, 62338255, 64119348, 69646878, 74805906, 77385420, 80149185, 96179022, 99495540, 106865580, 112208859, 116078130, 124676510, 139293756, 144268533, 149611812, 160298370, 174117195, 187014765, 192358044, 224417718, 232156260, 240447555, 249353020, 288537066, 320596740, 336626577, 348234390, 374029530, 448835436, 480895110, 561044295, 577074132, 673253154, 696468780, 721342665, 748059060, 961790220, 1009879731, 1122088590, 1346506308, 1442685330, 1683132885, 2019759462, 2244177180, 2885370660, 3366265770, 4039518924, 5049398655, 6732531540, 10098797310, 20197594620]

約数ペア:

[(1, 20197594620), (2, 10098797310), (3, 6732531540), (4, 5049398655), (5, 4039518924), (6, 3366265770), (7, 2885370660), (9, 2244177180), (10, 2019759462), (12, 1683132885), (14, 1442685330), (15, 1346506308), (18, 1122088590), (20, 1009879731), (21, 961790220), (27, 748059060), (28, 721342665), (29, 696468780), (30, 673253154), (35, 577074132), (36, 561044295), (42, 480895110), (45, 448835436), (54, 374029530), (58, 348234390), (60, 336626577), (63, 320596740), (70, 288537066), (81, 249353020), (84, 240447555), (87, 232156260), (90, 224417718), (105, 192358044), (108, 187014765), (116, 174117195), (126, 160298370), (135, 149611812), (140, 144268533), (145, 139293756), (162, 124676510), (174, 116078130), (180, 112208859), (189, 106865580), (203, 99495540), (210, 96179022), (252, 80149185), (261, 77385420), (270, 74805906), (290, 69646878), (315, 64119348), (324, 62338255), (348, 58039065), (378, 53432790), (405, 49870604), (406, 49747770), (420, 48089511), (435, 46431252), (522, 38692710), (540, 37402953), (567, 35621860), (580, 34823439), (609, 33165180), (630, 32059674), (756, 26716395), (783, 25795140), (810, 24935302), (812, 24873885), (870, 23215626), (945, 21373116), (1015, 19899108), (1044, 19346355), (1134, 17810930), (1218, 16582590), (1260, 16029837), (1305, 15477084), (1566, 12897570), (1620, 12467651), (1740, 11607813), (1827, 11055060), (1890, 10686558), (2030, 9949554), (2268, 8905465), (2349, 8598380), (2436, 8291295), (2610, 7738542), (2835, 7124372), (3045, 6633036), (3132, 6448785), (3654, 5527530), (3780, 5343279), (3915, 5159028), (4060, 4974777), (4698, 4299190), (5220, 3869271), (5481, 3685020), (5670, 3562186), (6090, 3316518), (7308, 2763765), (7830, 2579514), (9135, 2211012), (9396, 2149595), (10962, 1842510), (11340, 1781093), (11745, 1719676), (12180, 1658259), (15660, 1289757), (16443, 1228340), (18270, 1105506), (21924, 921255), (23490, 859838), (27405, 737004), (32886, 614170), (36540, 552753), (46980, 429919), (54810, 368502), (61417, 328860), (65772, 307085), (82215, 245668), (109620, 184251), (122834, 164430)]