20085120

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1$

素因数の和:353

約数の個数: 192

約数和(自身を含む): 75900240

約数和(自身を除く): 55815120

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, 264, 288, 317, 320, 330, 352, 360, 384, 396, 440, 480, 495, 528, 576, 634, 640, 660, 704, 720, 792, 880, 951, 960, 990, 1056, 1152, 1268, 1320, 1408, 1440, 1584, 1585, 1760, 1902, 1920, 1980, 2112, 2536, 2640, 2853, 2880, 3168, 3170, 3487, 3520, 3804, 3960, 4224, 4755, 5072, 5280, 5706, 5760, 6336, 6340, 6974, 7040, 7608, 7920, 9510, 10144, 10461, 10560, 11412, 12672, 12680, 13948, 14265, 15216, 15840, 17435, 19020, 20288, 20922, 21120, 22824, 25360, 27896, 28530, 30432, 31383, 31680, 34870, 38040, 40576, 41844, 45648, 50720, 52305, 55792, 57060, 60864, 62766, 63360, 69740, 76080, 83688, 91296, 101440, 104610, 111584, 114120, 121728, 125532, 139480, 152160, 156915, 167376, 182592, 202880, 209220, 223168, 228240, 251064, 278960, 304320, 313830, 334752, 365184, 418440, 446336, 456480, 502128, 557920, 608640, 627660, 669504, 836880, 912960, 1004256, 1115840, 1255320, 1339008, 1673760, 1825920, 2008512, 2231680, 2510640, 3347520, 4017024, 5021280, 6695040, 10042560, 20085120]

約数ペア:

[(1, 20085120), (2, 10042560), (3, 6695040), (4, 5021280), (5, 4017024), (6, 3347520), (8, 2510640), (9, 2231680), (10, 2008512), (11, 1825920), (12, 1673760), (15, 1339008), (16, 1255320), (18, 1115840), (20, 1004256), (22, 912960), (24, 836880), (30, 669504), (32, 627660), (33, 608640), (36, 557920), (40, 502128), (44, 456480), (45, 446336), (48, 418440), (55, 365184), (60, 334752), (64, 313830), (66, 304320), (72, 278960), (80, 251064), (88, 228240), (90, 223168), (96, 209220), (99, 202880), (110, 182592), (120, 167376), (128, 156915), (132, 152160), (144, 139480), (160, 125532), (165, 121728), (176, 114120), (180, 111584), (192, 104610), (198, 101440), (220, 91296), (240, 83688), (264, 76080), (288, 69740), (317, 63360), (320, 62766), (330, 60864), (352, 57060), (360, 55792), (384, 52305), (396, 50720), (440, 45648), (480, 41844), (495, 40576), (528, 38040), (576, 34870), (634, 31680), (640, 31383), (660, 30432), (704, 28530), (720, 27896), (792, 25360), (880, 22824), (951, 21120), (960, 20922), (990, 20288), (1056, 19020), (1152, 17435), (1268, 15840), (1320, 15216), (1408, 14265), (1440, 13948), (1584, 12680), (1585, 12672), (1760, 11412), (1902, 10560), (1920, 10461), (1980, 10144), (2112, 9510), (2536, 7920), (2640, 7608), (2853, 7040), (2880, 6974), (3168, 6340), (3170, 6336), (3487, 5760), (3520, 5706), (3804, 5280), (3960, 5072), (4224, 4755)]