20728512

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 168

約数和(自身を含む): 69896736

約数和(自身を除く): 49168224

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 53, 56, 63, 64, 72, 84, 96, 97, 106, 112, 126, 144, 159, 168, 192, 194, 212, 224, 252, 288, 291, 318, 336, 371, 388, 424, 448, 477, 504, 576, 582, 636, 672, 679, 742, 776, 848, 873, 954, 1008, 1113, 1164, 1272, 1344, 1358, 1484, 1552, 1696, 1746, 1908, 2016, 2037, 2226, 2328, 2544, 2716, 2968, 3104, 3339, 3392, 3492, 3816, 4032, 4074, 4452, 4656, 5088, 5141, 5432, 5936, 6111, 6208, 6678, 6984, 7632, 8148, 8904, 9312, 10176, 10282, 10864, 11872, 12222, 13356, 13968, 15264, 15423, 16296, 17808, 18624, 20564, 21728, 23744, 24444, 26712, 27936, 30528, 30846, 32592, 35616, 35987, 41128, 43456, 46269, 48888, 53424, 55872, 61692, 65184, 71232, 71974, 82256, 92538, 97776, 106848, 107961, 123384, 130368, 143948, 164512, 185076, 195552, 213696, 215922, 246768, 287896, 323883, 329024, 370152, 391104, 431844, 493536, 575792, 647766, 740304, 863688, 987072, 1151584, 1295532, 1480608, 1727376, 2303168, 2591064, 2961216, 3454752, 5182128, 6909504, 10364256, 20728512]

約数ペア:

[(1, 20728512), (2, 10364256), (3, 6909504), (4, 5182128), (6, 3454752), (7, 2961216), (8, 2591064), (9, 2303168), (12, 1727376), (14, 1480608), (16, 1295532), (18, 1151584), (21, 987072), (24, 863688), (28, 740304), (32, 647766), (36, 575792), (42, 493536), (48, 431844), (53, 391104), (56, 370152), (63, 329024), (64, 323883), (72, 287896), (84, 246768), (96, 215922), (97, 213696), (106, 195552), (112, 185076), (126, 164512), (144, 143948), (159, 130368), (168, 123384), (192, 107961), (194, 106848), (212, 97776), (224, 92538), (252, 82256), (288, 71974), (291, 71232), (318, 65184), (336, 61692), (371, 55872), (388, 53424), (424, 48888), (448, 46269), (477, 43456), (504, 41128), (576, 35987), (582, 35616), (636, 32592), (672, 30846), (679, 30528), (742, 27936), (776, 26712), (848, 24444), (873, 23744), (954, 21728), (1008, 20564), (1113, 18624), (1164, 17808), (1272, 16296), (1344, 15423), (1358, 15264), (1484, 13968), (1552, 13356), (1696, 12222), (1746, 11872), (1908, 10864), (2016, 10282), (2037, 10176), (2226, 9312), (2328, 8904), (2544, 8148), (2716, 7632), (2968, 6984), (3104, 6678), (3339, 6208), (3392, 6111), (3492, 5936), (3816, 5432), (4032, 5141), (4074, 5088), (4452, 4656)]