20201717760

素因数分解:

$2^{14}\times 3^1\times 5^1\times 7^1\times {\mathrm{11743}}^1$

素因数の和:11786

約数の個数: 240

約数和(自身を含む): 73884604416

約数和(自身を除く): 53682886656

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2048, 2240, 2560, 2688, 3072, 3360, 3584, 3840, 4096, 4480, 5120, 5376, 6144, 6720, 7168, 7680, 8192, 8960, 10240, 10752, 11743, 12288, 13440, 14336, 15360, 16384, 17920, 20480, 21504, 23486, 24576, 26880, 28672, 30720, 35229, 35840, 40960, 43008, 46972, 49152, 53760, 57344, 58715, 61440, 70458, 71680, 81920, 82201, 86016, 93944, 107520, 114688, 117430, 122880, 140916, 143360, 164402, 172032, 176145, 187888, 215040, 234860, 245760, 246603, 281832, 286720, 328804, 344064, 352290, 375776, 411005, 430080, 469720, 493206, 563664, 573440, 657608, 704580, 751552, 822010, 860160, 939440, 986412, 1127328, 1233015, 1315216, 1409160, 1503104, 1644020, 1720320, 1878880, 1972824, 2254656, 2466030, 2630432, 2818320, 3006208, 3288040, 3757760, 3945648, 4509312, 4932060, 5260864, 5636640, 6012416, 6576080, 7515520, 7891296, 9018624, 9864120, 10521728, 11273280, 12024832, 13152160, 15031040, 15782592, 18037248, 19728240, 21043456, 22546560, 24049664, 26304320, 30062080, 31565184, 36074496, 39456480, 42086912, 45093120, 48099328, 52608640, 60124160, 63130368, 72148992, 78912960, 84173824, 90186240, 96198656, 105217280, 120248320, 126260736, 144297984, 157825920, 168347648, 180372480, 192397312, 210434560, 240496640, 252521472, 288595968, 315651840, 336695296, 360744960, 420869120, 480993280, 505042944, 577191936, 631303680, 673390592, 721489920, 841738240, 961986560, 1010085888, 1262607360, 1346781184, 1442979840, 1683476480, 2020171776, 2525214720, 2885959680, 3366952960, 4040343552, 5050429440, 6733905920, 10100858880, 20201717760]

約数ペア:

[(1, 20201717760), (2, 10100858880), (3, 6733905920), (4, 5050429440), (5, 4040343552), (6, 3366952960), (7, 2885959680), (8, 2525214720), (10, 2020171776), (12, 1683476480), (14, 1442979840), (15, 1346781184), (16, 1262607360), (20, 1010085888), (21, 961986560), (24, 841738240), (28, 721489920), (30, 673390592), (32, 631303680), (35, 577191936), (40, 505042944), (42, 480993280), (48, 420869120), (56, 360744960), (60, 336695296), (64, 315651840), (70, 288595968), (80, 252521472), (84, 240496640), (96, 210434560), (105, 192397312), (112, 180372480), (120, 168347648), (128, 157825920), (140, 144297984), (160, 126260736), (168, 120248320), (192, 105217280), (210, 96198656), (224, 90186240), (240, 84173824), (256, 78912960), (280, 72148992), (320, 63130368), (336, 60124160), (384, 52608640), (420, 48099328), (448, 45093120), (480, 42086912), (512, 39456480), (560, 36074496), (640, 31565184), (672, 30062080), (768, 26304320), (840, 24049664), (896, 22546560), (960, 21043456), (1024, 19728240), (1120, 18037248), (1280, 15782592), (1344, 15031040), (1536, 13152160), (1680, 12024832), (1792, 11273280), (1920, 10521728), (2048, 9864120), (2240, 9018624), (2560, 7891296), (2688, 7515520), (3072, 6576080), (3360, 6012416), (3584, 5636640), (3840, 5260864), (4096, 4932060), (4480, 4509312), (5120, 3945648), (5376, 3757760), (6144, 3288040), (6720, 3006208), (7168, 2818320), (7680, 2630432), (8192, 2466030), (8960, 2254656), (10240, 1972824), (10752, 1878880), (11743, 1720320), (12288, 1644020), (13440, 1503104), (14336, 1409160), (15360, 1315216), (16384, 1233015), (17920, 1127328), (20480, 986412), (21504, 939440), (23486, 860160), (24576, 822010), (26880, 751552), (28672, 704580), (30720, 657608), (35229, 573440), (35840, 563664), (40960, 493206), (43008, 469720), (46972, 430080), (49152, 411005), (53760, 375776), (57344, 352290), (58715, 344064), (61440, 328804), (70458, 286720), (71680, 281832), (81920, 246603), (82201, 245760), (86016, 234860), (93944, 215040), (107520, 187888), (114688, 176145), (117430, 172032), (122880, 164402), (140916, 143360)]