20560320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1$

素因数の和:104

約数の個数: 252

約数和(自身を含む): 79049880

約数和(自身を除く): 58489560

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, 59, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 118, 120, 121, 132, 144, 160, 165, 176, 177, 180, 192, 198, 220, 236, 240, 242, 264, 288, 295, 320, 330, 352, 354, 360, 363, 396, 440, 472, 480, 484, 495, 528, 531, 576, 590, 605, 649, 660, 704, 708, 720, 726, 792, 880, 885, 944, 960, 968, 990, 1056, 1062, 1089, 1180, 1210, 1298, 1320, 1416, 1440, 1452, 1584, 1760, 1770, 1815, 1888, 1936, 1947, 1980, 2112, 2124, 2178, 2360, 2420, 2596, 2640, 2655, 2832, 2880, 2904, 3168, 3245, 3520, 3540, 3630, 3776, 3872, 3894, 3960, 4248, 4356, 4720, 4840, 5192, 5280, 5310, 5445, 5664, 5808, 5841, 6336, 6490, 7080, 7139, 7260, 7744, 7788, 7920, 8496, 8712, 9440, 9680, 9735, 10384, 10560, 10620, 10890, 11328, 11616, 11682, 12980, 14160, 14278, 14520, 15576, 15840, 16992, 17424, 18880, 19360, 19470, 20768, 21240, 21417, 21780, 23232, 23364, 25960, 28320, 28556, 29040, 29205, 31152, 31680, 33984, 34848, 35695, 38720, 38940, 41536, 42480, 42834, 43560, 46728, 51920, 56640, 57112, 58080, 58410, 62304, 64251, 69696, 71390, 77880, 84960, 85668, 87120, 93456, 103840, 107085, 114224, 116160, 116820, 124608, 128502, 142780, 155760, 169920, 171336, 174240, 186912, 207680, 214170, 228448, 233640, 257004, 285560, 311520, 321255, 342672, 348480, 373824, 428340, 456896, 467280, 514008, 571120, 623040, 642510, 685344, 856680, 934560, 1028016, 1142240, 1285020, 1370688, 1713360, 1869120, 2056032, 2284480, 2570040, 3426720, 4112064, 5140080, 6853440, 10280160, 20560320]

約数ペア:

[(1, 20560320), (2, 10280160), (3, 6853440), (4, 5140080), (5, 4112064), (6, 3426720), (8, 2570040), (9, 2284480), (10, 2056032), (11, 1869120), (12, 1713360), (15, 1370688), (16, 1285020), (18, 1142240), (20, 1028016), (22, 934560), (24, 856680), (30, 685344), (32, 642510), (33, 623040), (36, 571120), (40, 514008), (44, 467280), (45, 456896), (48, 428340), (55, 373824), (59, 348480), (60, 342672), (64, 321255), (66, 311520), (72, 285560), (80, 257004), (88, 233640), (90, 228448), (96, 214170), (99, 207680), (110, 186912), (118, 174240), (120, 171336), (121, 169920), (132, 155760), (144, 142780), (160, 128502), (165, 124608), (176, 116820), (177, 116160), (180, 114224), (192, 107085), (198, 103840), (220, 93456), (236, 87120), (240, 85668), (242, 84960), (264, 77880), (288, 71390), (295, 69696), (320, 64251), (330, 62304), (352, 58410), (354, 58080), (360, 57112), (363, 56640), (396, 51920), (440, 46728), (472, 43560), (480, 42834), (484, 42480), (495, 41536), (528, 38940), (531, 38720), (576, 35695), (590, 34848), (605, 33984), (649, 31680), (660, 31152), (704, 29205), (708, 29040), (720, 28556), (726, 28320), (792, 25960), (880, 23364), (885, 23232), (944, 21780), (960, 21417), (968, 21240), (990, 20768), (1056, 19470), (1062, 19360), (1089, 18880), (1180, 17424), (1210, 16992), (1298, 15840), (1320, 15576), (1416, 14520), (1440, 14278), (1452, 14160), (1584, 12980), (1760, 11682), (1770, 11616), (1815, 11328), (1888, 10890), (1936, 10620), (1947, 10560), (1980, 10384), (2112, 9735), (2124, 9680), (2178, 9440), (2360, 8712), (2420, 8496), (2596, 7920), (2640, 7788), (2655, 7744), (2832, 7260), (2880, 7139), (2904, 7080), (3168, 6490), (3245, 6336), (3520, 5841), (3540, 5808), (3630, 5664), (3776, 5445), (3872, 5310), (3894, 5280), (3960, 5192), (4248, 4840), (4356, 4720)]