20393856

素因数分解:

$2^7\times 3^4\times 7^1\times {\mathrm{281}}^1$

素因数の和:314

約数の個数: 160

約数和(自身を含む): 69608880

約数和(自身を除く): 49215024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 128, 144, 162, 168, 189, 192, 216, 224, 252, 281, 288, 324, 336, 378, 384, 432, 448, 504, 562, 567, 576, 648, 672, 756, 843, 864, 896, 1008, 1124, 1134, 1152, 1296, 1344, 1512, 1686, 1728, 1967, 2016, 2248, 2268, 2529, 2592, 2688, 3024, 3372, 3456, 3934, 4032, 4496, 4536, 5058, 5184, 5901, 6048, 6744, 7587, 7868, 8064, 8992, 9072, 10116, 10368, 11802, 12096, 13488, 15174, 15736, 17703, 17984, 18144, 20232, 22761, 23604, 24192, 26976, 30348, 31472, 35406, 35968, 36288, 40464, 45522, 47208, 53109, 53952, 60696, 62944, 70812, 72576, 80928, 91044, 94416, 106218, 107904, 121392, 125888, 141624, 159327, 161856, 182088, 188832, 212436, 242784, 251776, 283248, 318654, 323712, 364176, 377664, 424872, 485568, 566496, 637308, 728352, 755328, 849744, 971136, 1132992, 1274616, 1456704, 1699488, 2265984, 2549232, 2913408, 3398976, 5098464, 6797952, 10196928, 20393856]

約数ペア:

[(1, 20393856), (2, 10196928), (3, 6797952), (4, 5098464), (6, 3398976), (7, 2913408), (8, 2549232), (9, 2265984), (12, 1699488), (14, 1456704), (16, 1274616), (18, 1132992), (21, 971136), (24, 849744), (27, 755328), (28, 728352), (32, 637308), (36, 566496), (42, 485568), (48, 424872), (54, 377664), (56, 364176), (63, 323712), (64, 318654), (72, 283248), (81, 251776), (84, 242784), (96, 212436), (108, 188832), (112, 182088), (126, 161856), (128, 159327), (144, 141624), (162, 125888), (168, 121392), (189, 107904), (192, 106218), (216, 94416), (224, 91044), (252, 80928), (281, 72576), (288, 70812), (324, 62944), (336, 60696), (378, 53952), (384, 53109), (432, 47208), (448, 45522), (504, 40464), (562, 36288), (567, 35968), (576, 35406), (648, 31472), (672, 30348), (756, 26976), (843, 24192), (864, 23604), (896, 22761), (1008, 20232), (1124, 18144), (1134, 17984), (1152, 17703), (1296, 15736), (1344, 15174), (1512, 13488), (1686, 12096), (1728, 11802), (1967, 10368), (2016, 10116), (2248, 9072), (2268, 8992), (2529, 8064), (2592, 7868), (2688, 7587), (3024, 6744), (3372, 6048), (3456, 5901), (3934, 5184), (4032, 5058), (4496, 4536)]