20057856

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 216

約数和(自身を含む): 68506704

約数和(自身を除く): 48448848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 41, 42, 48, 49, 52, 56, 64, 78, 82, 84, 91, 96, 98, 104, 112, 123, 128, 147, 156, 164, 168, 182, 192, 196, 208, 224, 246, 256, 273, 287, 294, 312, 328, 336, 364, 384, 392, 416, 448, 492, 533, 546, 574, 588, 624, 637, 656, 672, 728, 768, 784, 832, 861, 896, 984, 1066, 1092, 1148, 1176, 1248, 1274, 1312, 1344, 1456, 1568, 1599, 1664, 1722, 1792, 1911, 1968, 2009, 2132, 2184, 2296, 2352, 2496, 2548, 2624, 2688, 2912, 3136, 3198, 3328, 3444, 3731, 3822, 3936, 4018, 4264, 4368, 4592, 4704, 4992, 5096, 5248, 5376, 5824, 6027, 6272, 6396, 6888, 7462, 7644, 7872, 8036, 8528, 8736, 9184, 9408, 9984, 10192, 10496, 11193, 11648, 12054, 12544, 12792, 13776, 14924, 15288, 15744, 16072, 17056, 17472, 18368, 18816, 20384, 22386, 23296, 24108, 25584, 26117, 27552, 29848, 30576, 31488, 32144, 34112, 34944, 36736, 37632, 40768, 44772, 48216, 51168, 52234, 55104, 59696, 61152, 64288, 68224, 69888, 73472, 78351, 81536, 89544, 96432, 102336, 104468, 110208, 119392, 122304, 128576, 136448, 156702, 163072, 179088, 192864, 204672, 208936, 220416, 238784, 244608, 257152, 313404, 358176, 385728, 409344, 417872, 477568, 489216, 514304, 626808, 716352, 771456, 835744, 955136, 1253616, 1432704, 1542912, 1671488, 2507232, 2865408, 3342976, 5014464, 6685952, 10028928, 20057856]

約数ペア:

[(1, 20057856), (2, 10028928), (3, 6685952), (4, 5014464), (6, 3342976), (7, 2865408), (8, 2507232), (12, 1671488), (13, 1542912), (14, 1432704), (16, 1253616), (21, 955136), (24, 835744), (26, 771456), (28, 716352), (32, 626808), (39, 514304), (41, 489216), (42, 477568), (48, 417872), (49, 409344), (52, 385728), (56, 358176), (64, 313404), (78, 257152), (82, 244608), (84, 238784), (91, 220416), (96, 208936), (98, 204672), (104, 192864), (112, 179088), (123, 163072), (128, 156702), (147, 136448), (156, 128576), (164, 122304), (168, 119392), (182, 110208), (192, 104468), (196, 102336), (208, 96432), (224, 89544), (246, 81536), (256, 78351), (273, 73472), (287, 69888), (294, 68224), (312, 64288), (328, 61152), (336, 59696), (364, 55104), (384, 52234), (392, 51168), (416, 48216), (448, 44772), (492, 40768), (533, 37632), (546, 36736), (574, 34944), (588, 34112), (624, 32144), (637, 31488), (656, 30576), (672, 29848), (728, 27552), (768, 26117), (784, 25584), (832, 24108), (861, 23296), (896, 22386), (984, 20384), (1066, 18816), (1092, 18368), (1148, 17472), (1176, 17056), (1248, 16072), (1274, 15744), (1312, 15288), (1344, 14924), (1456, 13776), (1568, 12792), (1599, 12544), (1664, 12054), (1722, 11648), (1792, 11193), (1911, 10496), (1968, 10192), (2009, 9984), (2132, 9408), (2184, 9184), (2296, 8736), (2352, 8528), (2496, 8036), (2548, 7872), (2624, 7644), (2688, 7462), (2912, 6888), (3136, 6396), (3198, 6272), (3328, 6027), (3444, 5824), (3731, 5376), (3822, 5248), (3936, 5096), (4018, 4992), (4264, 4704), (4368, 4592)]