20386944

素因数分解:

$2^7\times 3^3\times {\mathrm{17}}^1\times {\mathrm{347}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 63892800

約数和(自身を除く): 43505856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 96, 102, 108, 128, 136, 144, 153, 192, 204, 216, 272, 288, 306, 347, 384, 408, 432, 459, 544, 576, 612, 694, 816, 864, 918, 1041, 1088, 1152, 1224, 1388, 1632, 1728, 1836, 2082, 2176, 2448, 2776, 3123, 3264, 3456, 3672, 4164, 4896, 5552, 5899, 6246, 6528, 7344, 8328, 9369, 9792, 11104, 11798, 12492, 14688, 16656, 17697, 18738, 19584, 22208, 23596, 24984, 29376, 33312, 35394, 37476, 44416, 47192, 49968, 53091, 58752, 66624, 70788, 74952, 94384, 99936, 106182, 133248, 141576, 149904, 159273, 188768, 199872, 212364, 283152, 299808, 318546, 377536, 399744, 424728, 566304, 599616, 637092, 755072, 849456, 1132608, 1199232, 1274184, 1698912, 2265216, 2548368, 3397824, 5096736, 6795648, 10193472, 20386944]

約数ペア:

[(1, 20386944), (2, 10193472), (3, 6795648), (4, 5096736), (6, 3397824), (8, 2548368), (9, 2265216), (12, 1698912), (16, 1274184), (17, 1199232), (18, 1132608), (24, 849456), (27, 755072), (32, 637092), (34, 599616), (36, 566304), (48, 424728), (51, 399744), (54, 377536), (64, 318546), (68, 299808), (72, 283152), (96, 212364), (102, 199872), (108, 188768), (128, 159273), (136, 149904), (144, 141576), (153, 133248), (192, 106182), (204, 99936), (216, 94384), (272, 74952), (288, 70788), (306, 66624), (347, 58752), (384, 53091), (408, 49968), (432, 47192), (459, 44416), (544, 37476), (576, 35394), (612, 33312), (694, 29376), (816, 24984), (864, 23596), (918, 22208), (1041, 19584), (1088, 18738), (1152, 17697), (1224, 16656), (1388, 14688), (1632, 12492), (1728, 11798), (1836, 11104), (2082, 9792), (2176, 9369), (2448, 8328), (2776, 7344), (3123, 6528), (3264, 6246), (3456, 5899), (3672, 5552), (4164, 4896)]