20813184

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 71604000

約数和(自身を除く): 50790816

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 32, 36, 42, 48, 56, 58, 63, 64, 72, 84, 87, 89, 96, 112, 116, 126, 128, 144, 168, 174, 178, 192, 203, 224, 232, 252, 261, 267, 288, 336, 348, 356, 384, 406, 448, 464, 504, 522, 534, 576, 609, 623, 672, 696, 712, 801, 812, 896, 928, 1008, 1044, 1068, 1152, 1218, 1246, 1344, 1392, 1424, 1602, 1624, 1827, 1856, 1869, 2016, 2088, 2136, 2436, 2492, 2581, 2688, 2784, 2848, 3204, 3248, 3654, 3712, 3738, 4032, 4176, 4272, 4872, 4984, 5162, 5568, 5607, 5696, 6408, 6496, 7308, 7476, 7743, 8064, 8352, 8544, 9744, 9968, 10324, 11136, 11214, 11392, 12816, 12992, 14616, 14952, 15486, 16704, 17088, 18067, 19488, 19936, 20648, 22428, 23229, 25632, 25984, 29232, 29904, 30972, 33408, 34176, 36134, 38976, 39872, 41296, 44856, 46458, 51264, 54201, 58464, 59808, 61944, 72268, 77952, 79744, 82592, 89712, 92916, 102528, 108402, 116928, 119616, 123888, 144536, 162603, 165184, 179424, 185832, 216804, 233856, 239232, 247776, 289072, 325206, 330368, 358848, 371664, 433608, 495552, 578144, 650412, 717696, 743328, 867216, 991104, 1156288, 1300824, 1486656, 1734432, 2312576, 2601648, 2973312, 3468864, 5203296, 6937728, 10406592, 20813184]

約数ペア:

[(1, 20813184), (2, 10406592), (3, 6937728), (4, 5203296), (6, 3468864), (7, 2973312), (8, 2601648), (9, 2312576), (12, 1734432), (14, 1486656), (16, 1300824), (18, 1156288), (21, 991104), (24, 867216), (28, 743328), (29, 717696), (32, 650412), (36, 578144), (42, 495552), (48, 433608), (56, 371664), (58, 358848), (63, 330368), (64, 325206), (72, 289072), (84, 247776), (87, 239232), (89, 233856), (96, 216804), (112, 185832), (116, 179424), (126, 165184), (128, 162603), (144, 144536), (168, 123888), (174, 119616), (178, 116928), (192, 108402), (203, 102528), (224, 92916), (232, 89712), (252, 82592), (261, 79744), (267, 77952), (288, 72268), (336, 61944), (348, 59808), (356, 58464), (384, 54201), (406, 51264), (448, 46458), (464, 44856), (504, 41296), (522, 39872), (534, 38976), (576, 36134), (609, 34176), (623, 33408), (672, 30972), (696, 29904), (712, 29232), (801, 25984), (812, 25632), (896, 23229), (928, 22428), (1008, 20648), (1044, 19936), (1068, 19488), (1152, 18067), (1218, 17088), (1246, 16704), (1344, 15486), (1392, 14952), (1424, 14616), (1602, 12992), (1624, 12816), (1827, 11392), (1856, 11214), (1869, 11136), (2016, 10324), (2088, 9968), (2136, 9744), (2436, 8544), (2492, 8352), (2581, 8064), (2688, 7743), (2784, 7476), (2848, 7308), (3204, 6496), (3248, 6408), (3654, 5696), (3712, 5607), (3738, 5568), (4032, 5162), (4176, 4984), (4272, 4872)]