20616960

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:103

約数の個数: 288

約数和(自身を含む): 82414080

約数和(自身を除く): 61797120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 59, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 118, 120, 128, 130, 140, 156, 160, 168, 177, 182, 192, 195, 208, 210, 224, 236, 240, 256, 260, 273, 280, 295, 312, 320, 336, 354, 364, 384, 390, 413, 416, 420, 448, 455, 472, 480, 520, 546, 560, 590, 624, 640, 672, 708, 728, 767, 768, 780, 826, 832, 840, 885, 896, 910, 944, 960, 1040, 1092, 1120, 1180, 1239, 1248, 1280, 1344, 1365, 1416, 1456, 1534, 1560, 1652, 1664, 1680, 1770, 1792, 1820, 1888, 1920, 2065, 2080, 2184, 2240, 2301, 2360, 2478, 2496, 2688, 2730, 2832, 2912, 3068, 3120, 3304, 3328, 3360, 3540, 3640, 3776, 3835, 3840, 4130, 4160, 4368, 4480, 4602, 4720, 4956, 4992, 5369, 5376, 5460, 5664, 5824, 6136, 6195, 6240, 6608, 6720, 7080, 7280, 7552, 7670, 8260, 8320, 8736, 8960, 9204, 9440, 9912, 9984, 10738, 10920, 11328, 11505, 11648, 12272, 12390, 12480, 13216, 13440, 14160, 14560, 15104, 15340, 16107, 16520, 16640, 17472, 18408, 18880, 19824, 21476, 21840, 22656, 23010, 23296, 24544, 24780, 24960, 26432, 26845, 26880, 28320, 29120, 30680, 32214, 33040, 34944, 36816, 37760, 39648, 42952, 43680, 45312, 46020, 49088, 49560, 49920, 52864, 53690, 56640, 58240, 61360, 64428, 66080, 69888, 73632, 75520, 79296, 80535, 85904, 87360, 92040, 98176, 99120, 105728, 107380, 113280, 116480, 122720, 128856, 132160, 147264, 158592, 161070, 171808, 174720, 184080, 196352, 198240, 214760, 226560, 245440, 257712, 264320, 294528, 317184, 322140, 343616, 349440, 368160, 396480, 429520, 490880, 515424, 528640, 589056, 644280, 687232, 736320, 792960, 859040, 981760, 1030848, 1288560, 1374464, 1472640, 1585920, 1718080, 2061696, 2577120, 2945280, 3436160, 4123392, 5154240, 6872320, 10308480, 20616960]

約数ペア:

[(1, 20616960), (2, 10308480), (3, 6872320), (4, 5154240), (5, 4123392), (6, 3436160), (7, 2945280), (8, 2577120), (10, 2061696), (12, 1718080), (13, 1585920), (14, 1472640), (15, 1374464), (16, 1288560), (20, 1030848), (21, 981760), (24, 859040), (26, 792960), (28, 736320), (30, 687232), (32, 644280), (35, 589056), (39, 528640), (40, 515424), (42, 490880), (48, 429520), (52, 396480), (56, 368160), (59, 349440), (60, 343616), (64, 322140), (65, 317184), (70, 294528), (78, 264320), (80, 257712), (84, 245440), (91, 226560), (96, 214760), (104, 198240), (105, 196352), (112, 184080), (118, 174720), (120, 171808), (128, 161070), (130, 158592), (140, 147264), (156, 132160), (160, 128856), (168, 122720), (177, 116480), (182, 113280), (192, 107380), (195, 105728), (208, 99120), (210, 98176), (224, 92040), (236, 87360), (240, 85904), (256, 80535), (260, 79296), (273, 75520), (280, 73632), (295, 69888), (312, 66080), (320, 64428), (336, 61360), (354, 58240), (364, 56640), (384, 53690), (390, 52864), (413, 49920), (416, 49560), (420, 49088), (448, 46020), (455, 45312), (472, 43680), (480, 42952), (520, 39648), (546, 37760), (560, 36816), (590, 34944), (624, 33040), (640, 32214), (672, 30680), (708, 29120), (728, 28320), (767, 26880), (768, 26845), (780, 26432), (826, 24960), (832, 24780), (840, 24544), (885, 23296), (896, 23010), (910, 22656), (944, 21840), (960, 21476), (1040, 19824), (1092, 18880), (1120, 18408), (1180, 17472), (1239, 16640), (1248, 16520), (1280, 16107), (1344, 15340), (1365, 15104), (1416, 14560), (1456, 14160), (1534, 13440), (1560, 13216), (1652, 12480), (1664, 12390), (1680, 12272), (1770, 11648), (1792, 11505), (1820, 11328), (1888, 10920), (1920, 10738), (2065, 9984), (2080, 9912), (2184, 9440), (2240, 9204), (2301, 8960), (2360, 8736), (2478, 8320), (2496, 8260), (2688, 7670), (2730, 7552), (2832, 7280), (2912, 7080), (3068, 6720), (3120, 6608), (3304, 6240), (3328, 6195), (3360, 6136), (3540, 5824), (3640, 5664), (3776, 5460), (3835, 5376), (3840, 5369), (4130, 4992), (4160, 4956), (4368, 4720), (4480, 4602)]