20174780192

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^2\times {\mathrm{211}}^2$

素因数の和:480

約数の個数: 162

約数和(自身を含む): 49315314321

約数和(自身を除く): 29140534129

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 211, 224, 238, 272, 289, 392, 422, 476, 544, 578, 784, 833, 844, 952, 1156, 1477, 1568, 1666, 1688, 1904, 2023, 2312, 2954, 3332, 3376, 3587, 3808, 4046, 4624, 5908, 6664, 6752, 7174, 8092, 9248, 10339, 11816, 13328, 14161, 14348, 16184, 20678, 23632, 25109, 26656, 28322, 28696, 32368, 41356, 44521, 47264, 50218, 56644, 57392, 60979, 64736, 82712, 89042, 100436, 113288, 114784, 121958, 165424, 175763, 178084, 200872, 226576, 243916, 311647, 330848, 351526, 356168, 401744, 426853, 453152, 487832, 623294, 703052, 712336, 756857, 803488, 853706, 975664, 1246588, 1406104, 1424672, 1513714, 1707412, 1951328, 2181529, 2493176, 2812208, 2987971, 3027428, 3414824, 4363058, 4986352, 5297999, 5624416, 5975942, 6054856, 6829648, 8726116, 9972704, 10595998, 11951884, 12109712, 12866569, 13659296, 17452232, 21191996, 23903768, 24219424, 25733138, 34904464, 37085993, 42383992, 47807536, 51466276, 69808928, 74171986, 84767984, 90065983, 95615072, 102932552, 148343972, 169535968, 180131966, 205865104, 296687944, 360263932, 411730208, 593375888, 630461881, 720527864, 1186751776, 1260923762, 1441055728, 2521847524, 2882111456, 5043695048, 10087390096, 20174780192]

約数ペア:

[(1, 20174780192), (2, 10087390096), (4, 5043695048), (7, 2882111456), (8, 2521847524), (14, 1441055728), (16, 1260923762), (17, 1186751776), (28, 720527864), (32, 630461881), (34, 593375888), (49, 411730208), (56, 360263932), (68, 296687944), (98, 205865104), (112, 180131966), (119, 169535968), (136, 148343972), (196, 102932552), (211, 95615072), (224, 90065983), (238, 84767984), (272, 74171986), (289, 69808928), (392, 51466276), (422, 47807536), (476, 42383992), (544, 37085993), (578, 34904464), (784, 25733138), (833, 24219424), (844, 23903768), (952, 21191996), (1156, 17452232), (1477, 13659296), (1568, 12866569), (1666, 12109712), (1688, 11951884), (1904, 10595998), (2023, 9972704), (2312, 8726116), (2954, 6829648), (3332, 6054856), (3376, 5975942), (3587, 5624416), (3808, 5297999), (4046, 4986352), (4624, 4363058), (5908, 3414824), (6664, 3027428), (6752, 2987971), (7174, 2812208), (8092, 2493176), (9248, 2181529), (10339, 1951328), (11816, 1707412), (13328, 1513714), (14161, 1424672), (14348, 1406104), (16184, 1246588), (20678, 975664), (23632, 853706), (25109, 803488), (26656, 756857), (28322, 712336), (28696, 703052), (32368, 623294), (41356, 487832), (44521, 453152), (47264, 426853), (50218, 401744), (56644, 356168), (57392, 351526), (60979, 330848), (64736, 311647), (82712, 243916), (89042, 226576), (100436, 200872), (113288, 178084), (114784, 175763), (121958, 165424)]