20218682880

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79777}}^1$

素因数の和:79817

約数の個数: 240

約数和(自身を含む): 76389668784

約数和(自身を除く): 56170985904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 512, 528, 576, 640, 660, 704, 720, 768, 792, 880, 960, 990, 1056, 1152, 1280, 1320, 1408, 1440, 1536, 1584, 1760, 1920, 1980, 2112, 2304, 2560, 2640, 2816, 2880, 3168, 3520, 3840, 3960, 4224, 4608, 5280, 5632, 5760, 6336, 7040, 7680, 7920, 8448, 10560, 11520, 12672, 14080, 15840, 16896, 21120, 23040, 25344, 28160, 31680, 42240, 50688, 63360, 79777, 84480, 126720, 159554, 239331, 253440, 319108, 398885, 478662, 638216, 717993, 797770, 877547, 957324, 1196655, 1276432, 1435986, 1595540, 1755094, 1914648, 2393310, 2552864, 2632641, 2871972, 3191080, 3510188, 3589965, 3829296, 4387735, 4786620, 5105728, 5265282, 5743944, 6382160, 7020376, 7179930, 7658592, 7897923, 8775470, 9573240, 10211456, 10530564, 11487888, 12764320, 13163205, 14040752, 14359860, 15317184, 15795846, 17550940, 19146480, 20422912, 21061128, 22975776, 25528640, 26326410, 28081504, 28719720, 30634368, 31591692, 35101880, 38292960, 39489615, 40845824, 42122256, 45951552, 51057280, 52652820, 56163008, 57439440, 61268736, 63183384, 70203760, 76585920, 78979230, 84244512, 91903104, 102114560, 105305640, 112326016, 114878880, 122537472, 126366768, 140407520, 153171840, 157958460, 168489024, 183806208, 204229120, 210611280, 224652032, 229757760, 252733536, 280815040, 306343680, 315916920, 336978048, 367612416, 421222560, 449304064, 459515520, 505467072, 561630080, 612687360, 631833840, 673956096, 842445120, 919031040, 1010934144, 1123260160, 1263667680, 1347912192, 1684890240, 1838062080, 2021868288, 2246520320, 2527335360, 3369780480, 4043736576, 5054670720, 6739560960, 10109341440, 20218682880]

約数ペア:

[(1, 20218682880), (2, 10109341440), (3, 6739560960), (4, 5054670720), (5, 4043736576), (6, 3369780480), (8, 2527335360), (9, 2246520320), (10, 2021868288), (11, 1838062080), (12, 1684890240), (15, 1347912192), (16, 1263667680), (18, 1123260160), (20, 1010934144), (22, 919031040), (24, 842445120), (30, 673956096), (32, 631833840), (33, 612687360), (36, 561630080), (40, 505467072), (44, 459515520), (45, 449304064), (48, 421222560), (55, 367612416), (60, 336978048), (64, 315916920), (66, 306343680), (72, 280815040), (80, 252733536), (88, 229757760), (90, 224652032), (96, 210611280), (99, 204229120), (110, 183806208), (120, 168489024), (128, 157958460), (132, 153171840), (144, 140407520), (160, 126366768), (165, 122537472), (176, 114878880), (180, 112326016), (192, 105305640), (198, 102114560), (220, 91903104), (240, 84244512), (256, 78979230), (264, 76585920), (288, 70203760), (320, 63183384), (330, 61268736), (352, 57439440), (360, 56163008), (384, 52652820), (396, 51057280), (440, 45951552), (480, 42122256), (495, 40845824), (512, 39489615), (528, 38292960), (576, 35101880), (640, 31591692), (660, 30634368), (704, 28719720), (720, 28081504), (768, 26326410), (792, 25528640), (880, 22975776), (960, 21061128), (990, 20422912), (1056, 19146480), (1152, 17550940), (1280, 15795846), (1320, 15317184), (1408, 14359860), (1440, 14040752), (1536, 13163205), (1584, 12764320), (1760, 11487888), (1920, 10530564), (1980, 10211456), (2112, 9573240), (2304, 8775470), (2560, 7897923), (2640, 7658592), (2816, 7179930), (2880, 7020376), (3168, 6382160), (3520, 5743944), (3840, 5265282), (3960, 5105728), (4224, 4786620), (4608, 4387735), (5280, 3829296), (5632, 3589965), (5760, 3510188), (6336, 3191080), (7040, 2871972), (7680, 2632641), (7920, 2552864), (8448, 2393310), (10560, 1914648), (11520, 1755094), (12672, 1595540), (14080, 1435986), (15840, 1276432), (16896, 1196655), (21120, 957324), (23040, 877547), (25344, 797770), (28160, 717993), (31680, 638216), (42240, 478662), (50688, 398885), (63360, 319108), (79777, 253440), (84480, 239331), (126720, 159554)]