20218585920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{10729}}^1$

素因数の和:10913

約数の個数: 224

約数和(自身を含む): 69596325120

約数和(自身を除く): 49377739200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 151, 156, 160, 192, 195, 208, 240, 260, 302, 312, 320, 390, 416, 453, 480, 520, 604, 624, 755, 780, 832, 906, 960, 1040, 1208, 1248, 1510, 1560, 1812, 1963, 2080, 2265, 2416, 2496, 3020, 3120, 3624, 3926, 4160, 4530, 4832, 5889, 6040, 6240, 7248, 7852, 9060, 9664, 9815, 10729, 11778, 12080, 12480, 14496, 15704, 18120, 19630, 21458, 23556, 24160, 28992, 29445, 31408, 32187, 36240, 39260, 42916, 47112, 48320, 53645, 58890, 62816, 64374, 72480, 78520, 85832, 94224, 107290, 117780, 125632, 128748, 139477, 144960, 157040, 160935, 171664, 188448, 214580, 235560, 257496, 278954, 314080, 321870, 343328, 376896, 418431, 429160, 471120, 514992, 557908, 628160, 643740, 686656, 697385, 836862, 858320, 942240, 1029984, 1115816, 1287480, 1394770, 1620079, 1673724, 1716640, 1884480, 2059968, 2092155, 2231632, 2574960, 2789540, 3240158, 3347448, 3433280, 4184310, 4463264, 4860237, 5149920, 5579080, 6480316, 6694896, 8100395, 8368620, 8926528, 9720474, 10299840, 11158160, 12960632, 13389792, 16200790, 16737240, 19440948, 21061027, 22316320, 24301185, 25921264, 26779584, 32401580, 33474480, 38881896, 42122054, 44632640, 48602370, 51842528, 63183081, 64803160, 66948960, 77763792, 84244108, 97204740, 103685056, 105305135, 126366162, 129606320, 133897920, 155527584, 168488216, 194409480, 210610270, 252732324, 259212640, 311055168, 315915405, 336976432, 388818960, 421220540, 505464648, 518425280, 631830810, 673952864, 777637920, 842441080, 1010929296, 1263661620, 1347905728, 1555275840, 1684882160, 2021858592, 2527323240, 3369764320, 4043717184, 5054646480, 6739528640, 10109292960, 20218585920]

約数ペア:

[(1, 20218585920), (2, 10109292960), (3, 6739528640), (4, 5054646480), (5, 4043717184), (6, 3369764320), (8, 2527323240), (10, 2021858592), (12, 1684882160), (13, 1555275840), (15, 1347905728), (16, 1263661620), (20, 1010929296), (24, 842441080), (26, 777637920), (30, 673952864), (32, 631830810), (39, 518425280), (40, 505464648), (48, 421220540), (52, 388818960), (60, 336976432), (64, 315915405), (65, 311055168), (78, 259212640), (80, 252732324), (96, 210610270), (104, 194409480), (120, 168488216), (130, 155527584), (151, 133897920), (156, 129606320), (160, 126366162), (192, 105305135), (195, 103685056), (208, 97204740), (240, 84244108), (260, 77763792), (302, 66948960), (312, 64803160), (320, 63183081), (390, 51842528), (416, 48602370), (453, 44632640), (480, 42122054), (520, 38881896), (604, 33474480), (624, 32401580), (755, 26779584), (780, 25921264), (832, 24301185), (906, 22316320), (960, 21061027), (1040, 19440948), (1208, 16737240), (1248, 16200790), (1510, 13389792), (1560, 12960632), (1812, 11158160), (1963, 10299840), (2080, 9720474), (2265, 8926528), (2416, 8368620), (2496, 8100395), (3020, 6694896), (3120, 6480316), (3624, 5579080), (3926, 5149920), (4160, 4860237), (4530, 4463264), (4832, 4184310), (5889, 3433280), (6040, 3347448), (6240, 3240158), (7248, 2789540), (7852, 2574960), (9060, 2231632), (9664, 2092155), (9815, 2059968), (10729, 1884480), (11778, 1716640), (12080, 1673724), (12480, 1620079), (14496, 1394770), (15704, 1287480), (18120, 1115816), (19630, 1029984), (21458, 942240), (23556, 858320), (24160, 836862), (28992, 697385), (29445, 686656), (31408, 643740), (32187, 628160), (36240, 557908), (39260, 514992), (42916, 471120), (47112, 429160), (48320, 418431), (53645, 376896), (58890, 343328), (62816, 321870), (64374, 314080), (72480, 278954), (78520, 257496), (85832, 235560), (94224, 214580), (107290, 188448), (117780, 171664), (125632, 160935), (128748, 157040), (139477, 144960)]