20573952

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 64753920

約数和(自身を除く): 44179968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 56, 64, 84, 86, 89, 96, 112, 128, 129, 168, 172, 178, 192, 224, 256, 258, 267, 301, 336, 344, 356, 384, 448, 516, 534, 602, 623, 672, 688, 712, 768, 896, 903, 1032, 1068, 1204, 1246, 1344, 1376, 1424, 1792, 1806, 1869, 2064, 2136, 2408, 2492, 2688, 2752, 2848, 3612, 3738, 3827, 4128, 4272, 4816, 4984, 5376, 5504, 5696, 7224, 7476, 7654, 8256, 8544, 9632, 9968, 11008, 11392, 11481, 14448, 14952, 15308, 16512, 17088, 19264, 19936, 22784, 22962, 26789, 28896, 29904, 30616, 33024, 34176, 38528, 39872, 45924, 53578, 57792, 59808, 61232, 68352, 77056, 79744, 80367, 91848, 107156, 115584, 119616, 122464, 159488, 160734, 183696, 214312, 231168, 239232, 244928, 321468, 367392, 428624, 478464, 489856, 642936, 734784, 857248, 979712, 1285872, 1469568, 1714496, 2571744, 2939136, 3428992, 5143488, 6857984, 10286976, 20573952]

約数ペア:

[(1, 20573952), (2, 10286976), (3, 6857984), (4, 5143488), (6, 3428992), (7, 2939136), (8, 2571744), (12, 1714496), (14, 1469568), (16, 1285872), (21, 979712), (24, 857248), (28, 734784), (32, 642936), (42, 489856), (43, 478464), (48, 428624), (56, 367392), (64, 321468), (84, 244928), (86, 239232), (89, 231168), (96, 214312), (112, 183696), (128, 160734), (129, 159488), (168, 122464), (172, 119616), (178, 115584), (192, 107156), (224, 91848), (256, 80367), (258, 79744), (267, 77056), (301, 68352), (336, 61232), (344, 59808), (356, 57792), (384, 53578), (448, 45924), (516, 39872), (534, 38528), (602, 34176), (623, 33024), (672, 30616), (688, 29904), (712, 28896), (768, 26789), (896, 22962), (903, 22784), (1032, 19936), (1068, 19264), (1204, 17088), (1246, 16512), (1344, 15308), (1376, 14952), (1424, 14448), (1792, 11481), (1806, 11392), (1869, 11008), (2064, 9968), (2136, 9632), (2408, 8544), (2492, 8256), (2688, 7654), (2752, 7476), (2848, 7224), (3612, 5696), (3738, 5504), (3827, 5376), (4128, 4984), (4272, 4816)]