20279700

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:96

約数の個数: 288

約数和(自身を含む): 79161600

約数和(自身を除く): 58881900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 29, 30, 35, 36, 37, 42, 45, 50, 54, 58, 60, 63, 70, 74, 75, 84, 87, 90, 100, 105, 108, 111, 116, 126, 135, 140, 145, 148, 150, 174, 175, 180, 185, 189, 203, 210, 222, 225, 252, 259, 261, 270, 290, 300, 315, 333, 348, 350, 370, 378, 406, 420, 435, 444, 450, 518, 522, 525, 540, 555, 580, 609, 630, 666, 675, 700, 725, 740, 756, 777, 783, 812, 870, 900, 925, 945, 999, 1015, 1036, 1044, 1050, 1073, 1110, 1218, 1260, 1295, 1305, 1332, 1350, 1450, 1554, 1566, 1575, 1665, 1740, 1827, 1850, 1890, 1998, 2030, 2100, 2146, 2175, 2220, 2331, 2436, 2590, 2610, 2700, 2775, 2900, 3045, 3108, 3132, 3150, 3219, 3330, 3654, 3700, 3780, 3885, 3915, 3996, 4060, 4292, 4350, 4662, 4725, 4995, 5075, 5180, 5220, 5365, 5481, 5550, 6090, 6300, 6438, 6475, 6525, 6660, 6993, 7308, 7511, 7770, 7830, 8325, 8700, 9135, 9324, 9450, 9657, 9990, 10150, 10730, 10962, 11100, 11655, 12180, 12876, 12950, 13050, 13986, 15022, 15225, 15540, 15660, 16095, 16650, 18270, 18900, 19314, 19425, 19575, 19980, 20300, 21460, 21924, 22533, 23310, 24975, 25900, 26100, 26825, 27405, 27972, 28971, 30044, 30450, 32190, 33300, 34965, 36540, 37555, 38628, 38850, 39150, 45066, 45675, 46620, 48285, 49950, 53650, 54810, 57942, 58275, 60900, 64380, 67599, 69930, 75110, 77700, 78300, 80475, 90132, 91350, 96570, 99900, 107300, 109620, 112665, 115884, 116550, 135198, 137025, 139860, 144855, 150220, 160950, 174825, 182700, 187775, 193140, 202797, 225330, 233100, 241425, 270396, 274050, 289710, 321900, 337995, 349650, 375550, 405594, 450660, 482850, 548100, 563325, 579420, 675990, 699300, 724275, 751100, 811188, 965700, 1013985, 1126650, 1351980, 1448550, 1689975, 2027970, 2253300, 2897100, 3379950, 4055940, 5069925, 6759900, 10139850, 20279700]

約数ペア:

[(1, 20279700), (2, 10139850), (3, 6759900), (4, 5069925), (5, 4055940), (6, 3379950), (7, 2897100), (9, 2253300), (10, 2027970), (12, 1689975), (14, 1448550), (15, 1351980), (18, 1126650), (20, 1013985), (21, 965700), (25, 811188), (27, 751100), (28, 724275), (29, 699300), (30, 675990), (35, 579420), (36, 563325), (37, 548100), (42, 482850), (45, 450660), (50, 405594), (54, 375550), (58, 349650), (60, 337995), (63, 321900), (70, 289710), (74, 274050), (75, 270396), (84, 241425), (87, 233100), (90, 225330), (100, 202797), (105, 193140), (108, 187775), (111, 182700), (116, 174825), (126, 160950), (135, 150220), (140, 144855), (145, 139860), (148, 137025), (150, 135198), (174, 116550), (175, 115884), (180, 112665), (185, 109620), (189, 107300), (203, 99900), (210, 96570), (222, 91350), (225, 90132), (252, 80475), (259, 78300), (261, 77700), (270, 75110), (290, 69930), (300, 67599), (315, 64380), (333, 60900), (348, 58275), (350, 57942), (370, 54810), (378, 53650), (406, 49950), (420, 48285), (435, 46620), (444, 45675), (450, 45066), (518, 39150), (522, 38850), (525, 38628), (540, 37555), (555, 36540), (580, 34965), (609, 33300), (630, 32190), (666, 30450), (675, 30044), (700, 28971), (725, 27972), (740, 27405), (756, 26825), (777, 26100), (783, 25900), (812, 24975), (870, 23310), (900, 22533), (925, 21924), (945, 21460), (999, 20300), (1015, 19980), (1036, 19575), (1044, 19425), (1050, 19314), (1073, 18900), (1110, 18270), (1218, 16650), (1260, 16095), (1295, 15660), (1305, 15540), (1332, 15225), (1350, 15022), (1450, 13986), (1554, 13050), (1566, 12950), (1575, 12876), (1665, 12180), (1740, 11655), (1827, 11100), (1850, 10962), (1890, 10730), (1998, 10150), (2030, 9990), (2100, 9657), (2146, 9450), (2175, 9324), (2220, 9135), (2331, 8700), (2436, 8325), (2590, 7830), (2610, 7770), (2700, 7511), (2775, 7308), (2900, 6993), (3045, 6660), (3108, 6525), (3132, 6475), (3150, 6438), (3219, 6300), (3330, 6090), (3654, 5550), (3700, 5481), (3780, 5365), (3885, 5220), (3915, 5180), (3996, 5075), (4060, 4995), (4292, 4725), (4350, 4662)]