20267520

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:75

約数の個数: 320

約数和(自身を含む): 82494720

約数和(自身を除く): 62227200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 29, 30, 32, 35, 39, 40, 42, 48, 52, 56, 58, 60, 64, 65, 70, 78, 80, 84, 87, 91, 96, 104, 105, 112, 116, 120, 128, 130, 140, 145, 156, 160, 168, 174, 182, 192, 195, 203, 208, 210, 224, 232, 240, 256, 260, 273, 280, 290, 312, 320, 336, 348, 364, 377, 384, 390, 406, 416, 420, 435, 448, 455, 464, 480, 512, 520, 546, 560, 580, 609, 624, 640, 672, 696, 728, 754, 768, 780, 812, 832, 840, 870, 896, 910, 928, 960, 1015, 1040, 1092, 1120, 1131, 1160, 1218, 1248, 1280, 1344, 1365, 1392, 1456, 1508, 1536, 1560, 1624, 1664, 1680, 1740, 1792, 1820, 1856, 1885, 1920, 2030, 2080, 2184, 2240, 2262, 2320, 2436, 2496, 2560, 2639, 2688, 2730, 2784, 2912, 3016, 3045, 3120, 3248, 3328, 3360, 3480, 3584, 3640, 3712, 3770, 3840, 4060, 4160, 4368, 4480, 4524, 4640, 4872, 4992, 5278, 5376, 5460, 5568, 5655, 5824, 6032, 6090, 6240, 6496, 6656, 6720, 6960, 7280, 7424, 7540, 7680, 7917, 8120, 8320, 8736, 8960, 9048, 9280, 9744, 9984, 10556, 10752, 10920, 11136, 11310, 11648, 12064, 12180, 12480, 12992, 13195, 13440, 13920, 14560, 14848, 15080, 15834, 16240, 16640, 17472, 17920, 18096, 18560, 19488, 19968, 21112, 21840, 22272, 22620, 23296, 24128, 24360, 24960, 25984, 26390, 26880, 27840, 29120, 30160, 31668, 32480, 33280, 34944, 36192, 37120, 38976, 39585, 42224, 43680, 44544, 45240, 46592, 48256, 48720, 49920, 51968, 52780, 53760, 55680, 58240, 60320, 63336, 64960, 69888, 72384, 74240, 77952, 79170, 84448, 87360, 90480, 96512, 97440, 99840, 103936, 105560, 111360, 116480, 120640, 126672, 129920, 139776, 144768, 155904, 158340, 168896, 174720, 180960, 193024, 194880, 211120, 222720, 232960, 241280, 253344, 259840, 289536, 311808, 316680, 337792, 349440, 361920, 389760, 422240, 482560, 506688, 519680, 579072, 633360, 675584, 698880, 723840, 779520, 844480, 965120, 1013376, 1266720, 1351168, 1447680, 1559040, 1688960, 2026752, 2533440, 2895360, 3377920, 4053504, 5066880, 6755840, 10133760, 20267520]

約数ペア:

[(1, 20267520), (2, 10133760), (3, 6755840), (4, 5066880), (5, 4053504), (6, 3377920), (7, 2895360), (8, 2533440), (10, 2026752), (12, 1688960), (13, 1559040), (14, 1447680), (15, 1351168), (16, 1266720), (20, 1013376), (21, 965120), (24, 844480), (26, 779520), (28, 723840), (29, 698880), (30, 675584), (32, 633360), (35, 579072), (39, 519680), (40, 506688), (42, 482560), (48, 422240), (52, 389760), (56, 361920), (58, 349440), (60, 337792), (64, 316680), (65, 311808), (70, 289536), (78, 259840), (80, 253344), (84, 241280), (87, 232960), (91, 222720), (96, 211120), (104, 194880), (105, 193024), (112, 180960), (116, 174720), (120, 168896), (128, 158340), (130, 155904), (140, 144768), (145, 139776), (156, 129920), (160, 126672), (168, 120640), (174, 116480), (182, 111360), (192, 105560), (195, 103936), (203, 99840), (208, 97440), (210, 96512), (224, 90480), (232, 87360), (240, 84448), (256, 79170), (260, 77952), (273, 74240), (280, 72384), (290, 69888), (312, 64960), (320, 63336), (336, 60320), (348, 58240), (364, 55680), (377, 53760), (384, 52780), (390, 51968), (406, 49920), (416, 48720), (420, 48256), (435, 46592), (448, 45240), (455, 44544), (464, 43680), (480, 42224), (512, 39585), (520, 38976), (546, 37120), (560, 36192), (580, 34944), (609, 33280), (624, 32480), (640, 31668), (672, 30160), (696, 29120), (728, 27840), (754, 26880), (768, 26390), (780, 25984), (812, 24960), (832, 24360), (840, 24128), (870, 23296), (896, 22620), (910, 22272), (928, 21840), (960, 21112), (1015, 19968), (1040, 19488), (1092, 18560), (1120, 18096), (1131, 17920), (1160, 17472), (1218, 16640), (1248, 16240), (1280, 15834), (1344, 15080), (1365, 14848), (1392, 14560), (1456, 13920), (1508, 13440), (1536, 13195), (1560, 12992), (1624, 12480), (1664, 12180), (1680, 12064), (1740, 11648), (1792, 11310), (1820, 11136), (1856, 10920), (1885, 10752), (1920, 10556), (2030, 9984), (2080, 9744), (2184, 9280), (2240, 9048), (2262, 8960), (2320, 8736), (2436, 8320), (2496, 8120), (2560, 7917), (2639, 7680), (2688, 7540), (2730, 7424), (2784, 7280), (2912, 6960), (3016, 6720), (3045, 6656), (3120, 6496), (3248, 6240), (3328, 6090), (3360, 6032), (3480, 5824), (3584, 5655), (3640, 5568), (3712, 5460), (3770, 5376), (3840, 5278), (4060, 4992), (4160, 4872), (4368, 4640), (4480, 4524)]