20866560

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 320

約数和(自身を含む): 82494720

約数和(自身を除く): 61628160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 19, 20, 22, 24, 26, 30, 32, 33, 38, 39, 40, 44, 48, 52, 55, 57, 60, 64, 65, 66, 76, 78, 80, 88, 95, 96, 104, 110, 114, 120, 128, 130, 132, 143, 152, 156, 160, 165, 176, 190, 192, 195, 208, 209, 220, 228, 240, 247, 256, 260, 264, 285, 286, 304, 312, 320, 330, 352, 380, 384, 390, 416, 418, 429, 440, 456, 480, 494, 512, 520, 528, 570, 572, 608, 624, 627, 640, 660, 704, 715, 741, 760, 768, 780, 832, 836, 858, 880, 912, 960, 988, 1040, 1045, 1056, 1140, 1144, 1216, 1235, 1248, 1254, 1280, 1320, 1408, 1430, 1482, 1520, 1536, 1560, 1664, 1672, 1716, 1760, 1824, 1920, 1976, 2080, 2090, 2112, 2145, 2280, 2288, 2432, 2470, 2496, 2508, 2560, 2640, 2717, 2816, 2860, 2964, 3040, 3120, 3135, 3328, 3344, 3432, 3520, 3648, 3705, 3840, 3952, 4160, 4180, 4224, 4290, 4560, 4576, 4864, 4940, 4992, 5016, 5280, 5434, 5632, 5720, 5928, 6080, 6240, 6270, 6656, 6688, 6864, 7040, 7296, 7410, 7680, 7904, 8151, 8320, 8360, 8448, 8580, 9120, 9152, 9728, 9880, 9984, 10032, 10560, 10868, 11440, 11856, 12160, 12480, 12540, 13376, 13585, 13728, 14080, 14592, 14820, 15808, 16302, 16640, 16720, 16896, 17160, 18240, 18304, 19760, 19968, 20064, 21120, 21736, 22880, 23712, 24320, 24960, 25080, 26752, 27170, 27456, 28160, 29184, 29640, 31616, 32604, 33280, 33440, 34320, 36480, 36608, 39520, 40128, 40755, 42240, 43472, 45760, 47424, 48640, 49920, 50160, 53504, 54340, 54912, 59280, 63232, 65208, 66880, 68640, 72960, 73216, 79040, 80256, 81510, 84480, 86944, 91520, 94848, 99840, 100320, 107008, 108680, 109824, 118560, 126464, 130416, 133760, 137280, 145920, 158080, 160512, 163020, 173888, 183040, 189696, 200640, 217360, 219648, 237120, 260832, 267520, 274560, 316160, 321024, 326040, 347776, 366080, 379392, 401280, 434720, 474240, 521664, 535040, 549120, 632320, 652080, 695552, 802560, 869440, 948480, 1043328, 1098240, 1304160, 1391104, 1605120, 1738880, 1896960, 2086656, 2608320, 3477760, 4173312, 5216640, 6955520, 10433280, 20866560]

約数ペア:

[(1, 20866560), (2, 10433280), (3, 6955520), (4, 5216640), (5, 4173312), (6, 3477760), (8, 2608320), (10, 2086656), (11, 1896960), (12, 1738880), (13, 1605120), (15, 1391104), (16, 1304160), (19, 1098240), (20, 1043328), (22, 948480), (24, 869440), (26, 802560), (30, 695552), (32, 652080), (33, 632320), (38, 549120), (39, 535040), (40, 521664), (44, 474240), (48, 434720), (52, 401280), (55, 379392), (57, 366080), (60, 347776), (64, 326040), (65, 321024), (66, 316160), (76, 274560), (78, 267520), (80, 260832), (88, 237120), (95, 219648), (96, 217360), (104, 200640), (110, 189696), (114, 183040), (120, 173888), (128, 163020), (130, 160512), (132, 158080), (143, 145920), (152, 137280), (156, 133760), (160, 130416), (165, 126464), (176, 118560), (190, 109824), (192, 108680), (195, 107008), (208, 100320), (209, 99840), (220, 94848), (228, 91520), (240, 86944), (247, 84480), (256, 81510), (260, 80256), (264, 79040), (285, 73216), (286, 72960), (304, 68640), (312, 66880), (320, 65208), (330, 63232), (352, 59280), (380, 54912), (384, 54340), (390, 53504), (416, 50160), (418, 49920), (429, 48640), (440, 47424), (456, 45760), (480, 43472), (494, 42240), (512, 40755), (520, 40128), (528, 39520), (570, 36608), (572, 36480), (608, 34320), (624, 33440), (627, 33280), (640, 32604), (660, 31616), (704, 29640), (715, 29184), (741, 28160), (760, 27456), (768, 27170), (780, 26752), (832, 25080), (836, 24960), (858, 24320), (880, 23712), (912, 22880), (960, 21736), (988, 21120), (1040, 20064), (1045, 19968), (1056, 19760), (1140, 18304), (1144, 18240), (1216, 17160), (1235, 16896), (1248, 16720), (1254, 16640), (1280, 16302), (1320, 15808), (1408, 14820), (1430, 14592), (1482, 14080), (1520, 13728), (1536, 13585), (1560, 13376), (1664, 12540), (1672, 12480), (1716, 12160), (1760, 11856), (1824, 11440), (1920, 10868), (1976, 10560), (2080, 10032), (2090, 9984), (2112, 9880), (2145, 9728), (2280, 9152), (2288, 9120), (2432, 8580), (2470, 8448), (2496, 8360), (2508, 8320), (2560, 8151), (2640, 7904), (2717, 7680), (2816, 7410), (2860, 7296), (2964, 7040), (3040, 6864), (3120, 6688), (3135, 6656), (3328, 6270), (3344, 6240), (3432, 6080), (3520, 5928), (3648, 5720), (3705, 5632), (3840, 5434), (3952, 5280), (4160, 5016), (4180, 4992), (4224, 4940), (4290, 4864), (4560, 4576)]