20458368

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 70012800

約数和(自身を除く): 49554432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 43, 48, 56, 59, 63, 64, 72, 84, 86, 96, 112, 118, 126, 128, 129, 144, 168, 172, 177, 192, 224, 236, 252, 258, 288, 301, 336, 344, 354, 384, 387, 413, 448, 472, 504, 516, 531, 576, 602, 672, 688, 708, 774, 826, 896, 903, 944, 1008, 1032, 1062, 1152, 1204, 1239, 1344, 1376, 1416, 1548, 1652, 1806, 1888, 2016, 2064, 2124, 2408, 2478, 2537, 2688, 2709, 2752, 2832, 3096, 3304, 3612, 3717, 3776, 4032, 4128, 4248, 4816, 4956, 5074, 5418, 5504, 5664, 6192, 6608, 7224, 7434, 7552, 7611, 8064, 8256, 8496, 9632, 9912, 10148, 10836, 11328, 12384, 13216, 14448, 14868, 15222, 16512, 16992, 17759, 19264, 19824, 20296, 21672, 22656, 22833, 24768, 26432, 28896, 29736, 30444, 33984, 35518, 38528, 39648, 40592, 43344, 45666, 49536, 52864, 53277, 57792, 59472, 60888, 67968, 71036, 79296, 81184, 86688, 91332, 106554, 115584, 118944, 121776, 142072, 158592, 159831, 162368, 173376, 182664, 213108, 237888, 243552, 284144, 319662, 324736, 346752, 365328, 426216, 475776, 487104, 568288, 639324, 730656, 852432, 974208, 1136576, 1278648, 1461312, 1704864, 2273152, 2557296, 2922624, 3409728, 5114592, 6819456, 10229184, 20458368]

約数ペア:

[(1, 20458368), (2, 10229184), (3, 6819456), (4, 5114592), (6, 3409728), (7, 2922624), (8, 2557296), (9, 2273152), (12, 1704864), (14, 1461312), (16, 1278648), (18, 1136576), (21, 974208), (24, 852432), (28, 730656), (32, 639324), (36, 568288), (42, 487104), (43, 475776), (48, 426216), (56, 365328), (59, 346752), (63, 324736), (64, 319662), (72, 284144), (84, 243552), (86, 237888), (96, 213108), (112, 182664), (118, 173376), (126, 162368), (128, 159831), (129, 158592), (144, 142072), (168, 121776), (172, 118944), (177, 115584), (192, 106554), (224, 91332), (236, 86688), (252, 81184), (258, 79296), (288, 71036), (301, 67968), (336, 60888), (344, 59472), (354, 57792), (384, 53277), (387, 52864), (413, 49536), (448, 45666), (472, 43344), (504, 40592), (516, 39648), (531, 38528), (576, 35518), (602, 33984), (672, 30444), (688, 29736), (708, 28896), (774, 26432), (826, 24768), (896, 22833), (903, 22656), (944, 21672), (1008, 20296), (1032, 19824), (1062, 19264), (1152, 17759), (1204, 16992), (1239, 16512), (1344, 15222), (1376, 14868), (1416, 14448), (1548, 13216), (1652, 12384), (1806, 11328), (1888, 10836), (2016, 10148), (2064, 9912), (2124, 9632), (2408, 8496), (2478, 8256), (2537, 8064), (2688, 7611), (2709, 7552), (2752, 7434), (2832, 7224), (3096, 6608), (3304, 6192), (3612, 5664), (3717, 5504), (3776, 5418), (4032, 5074), (4128, 4956), (4248, 4816)]