20995161344

素因数分解:

$2^8\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{9187}}^1$

素因数の和:9395

約数の個数: 72

約数和(自身を含む): 42819020160

約数和(自身を除く): 21823858816

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 113, 128, 158, 226, 256, 316, 452, 632, 904, 1264, 1808, 2528, 3616, 5056, 7232, 8927, 9187, 10112, 14464, 17854, 18374, 20224, 28928, 35708, 36748, 71416, 73496, 142832, 146992, 285664, 293984, 571328, 587968, 725773, 1038131, 1142656, 1175936, 1451546, 2076262, 2285312, 2351872, 2903092, 4152524, 5806184, 8305048, 11612368, 16610096, 23224736, 33220192, 46449472, 66440384, 82012349, 92898944, 132880768, 164024698, 185797888, 265761536, 328049396, 656098792, 1312197584, 2624395168, 5248790336, 10497580672, 20995161344]

約数ペア:

[(1, 20995161344), (2, 10497580672), (4, 5248790336), (8, 2624395168), (16, 1312197584), (32, 656098792), (64, 328049396), (79, 265761536), (113, 185797888), (128, 164024698), (158, 132880768), (226, 92898944), (256, 82012349), (316, 66440384), (452, 46449472), (632, 33220192), (904, 23224736), (1264, 16610096), (1808, 11612368), (2528, 8305048), (3616, 5806184), (5056, 4152524), (7232, 2903092), (8927, 2351872), (9187, 2285312), (10112, 2076262), (14464, 1451546), (17854, 1175936), (18374, 1142656), (20224, 1038131), (28928, 725773), (35708, 587968), (36748, 571328), (71416, 293984), (73496, 285664), (142832, 146992)]