20916000

素因数分解:

$2^5\times 3^2\times 5^3\times 7^1\times {\mathrm{83}}^1$

素因数の和:121

約数の個数: 288

約数和(自身を含む): 85857408

約数和(自身を除く): 64941408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 83, 84, 90, 96, 100, 105, 112, 120, 125, 126, 140, 144, 150, 160, 166, 168, 175, 180, 200, 210, 224, 225, 240, 249, 250, 252, 280, 288, 300, 315, 332, 336, 350, 360, 375, 400, 415, 420, 450, 480, 498, 500, 504, 525, 560, 581, 600, 630, 664, 672, 700, 720, 747, 750, 800, 830, 840, 875, 900, 996, 1000, 1008, 1050, 1120, 1125, 1162, 1200, 1245, 1260, 1328, 1400, 1440, 1494, 1500, 1575, 1660, 1680, 1743, 1750, 1800, 1992, 2000, 2016, 2075, 2100, 2250, 2324, 2400, 2490, 2520, 2625, 2656, 2800, 2905, 2988, 3000, 3150, 3320, 3360, 3486, 3500, 3600, 3735, 3984, 4000, 4150, 4200, 4500, 4648, 4980, 5040, 5229, 5250, 5600, 5810, 5976, 6000, 6225, 6300, 6640, 6972, 7000, 7200, 7470, 7875, 7968, 8300, 8400, 8715, 9000, 9296, 9960, 10080, 10375, 10458, 10500, 11620, 11952, 12000, 12450, 12600, 13280, 13944, 14000, 14525, 14940, 15750, 16600, 16800, 17430, 18000, 18592, 18675, 19920, 20750, 20916, 21000, 23240, 23904, 24900, 25200, 26145, 27888, 28000, 29050, 29880, 31125, 31500, 33200, 34860, 36000, 37350, 39840, 41500, 41832, 42000, 43575, 46480, 49800, 50400, 52290, 55776, 58100, 59760, 62250, 63000, 66400, 69720, 72625, 74700, 83000, 83664, 84000, 87150, 92960, 93375, 99600, 104580, 116200, 119520, 124500, 126000, 130725, 139440, 145250, 149400, 166000, 167328, 174300, 186750, 199200, 209160, 217875, 232400, 249000, 252000, 261450, 278880, 290500, 298800, 332000, 348600, 373500, 418320, 435750, 464800, 498000, 522900, 581000, 597600, 653625, 697200, 747000, 836640, 871500, 996000, 1045800, 1162000, 1307250, 1394400, 1494000, 1743000, 2091600, 2324000, 2614500, 2988000, 3486000, 4183200, 5229000, 6972000, 10458000, 20916000]

約数ペア:

[(1, 20916000), (2, 10458000), (3, 6972000), (4, 5229000), (5, 4183200), (6, 3486000), (7, 2988000), (8, 2614500), (9, 2324000), (10, 2091600), (12, 1743000), (14, 1494000), (15, 1394400), (16, 1307250), (18, 1162000), (20, 1045800), (21, 996000), (24, 871500), (25, 836640), (28, 747000), (30, 697200), (32, 653625), (35, 597600), (36, 581000), (40, 522900), (42, 498000), (45, 464800), (48, 435750), (50, 418320), (56, 373500), (60, 348600), (63, 332000), (70, 298800), (72, 290500), (75, 278880), (80, 261450), (83, 252000), (84, 249000), (90, 232400), (96, 217875), (100, 209160), (105, 199200), (112, 186750), (120, 174300), (125, 167328), (126, 166000), (140, 149400), (144, 145250), (150, 139440), (160, 130725), (166, 126000), (168, 124500), (175, 119520), (180, 116200), (200, 104580), (210, 99600), (224, 93375), (225, 92960), (240, 87150), (249, 84000), (250, 83664), (252, 83000), (280, 74700), (288, 72625), (300, 69720), (315, 66400), (332, 63000), (336, 62250), (350, 59760), (360, 58100), (375, 55776), (400, 52290), (415, 50400), (420, 49800), (450, 46480), (480, 43575), (498, 42000), (500, 41832), (504, 41500), (525, 39840), (560, 37350), (581, 36000), (600, 34860), (630, 33200), (664, 31500), (672, 31125), (700, 29880), (720, 29050), (747, 28000), (750, 27888), (800, 26145), (830, 25200), (840, 24900), (875, 23904), (900, 23240), (996, 21000), (1000, 20916), (1008, 20750), (1050, 19920), (1120, 18675), (1125, 18592), (1162, 18000), (1200, 17430), (1245, 16800), (1260, 16600), (1328, 15750), (1400, 14940), (1440, 14525), (1494, 14000), (1500, 13944), (1575, 13280), (1660, 12600), (1680, 12450), (1743, 12000), (1750, 11952), (1800, 11620), (1992, 10500), (2000, 10458), (2016, 10375), (2075, 10080), (2100, 9960), (2250, 9296), (2324, 9000), (2400, 8715), (2490, 8400), (2520, 8300), (2625, 7968), (2656, 7875), (2800, 7470), (2905, 7200), (2988, 7000), (3000, 6972), (3150, 6640), (3320, 6300), (3360, 6225), (3486, 6000), (3500, 5976), (3600, 5810), (3735, 5600), (3984, 5250), (4000, 5229), (4150, 5040), (4200, 4980), (4500, 4648)]