20399808

素因数分解:

$2^6\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:782

約数の個数: 112

約数和(自身を含む): 63495936

約数和(自身を除く): 43096128

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 64, 66, 78, 88, 96, 104, 132, 143, 156, 176, 192, 208, 264, 286, 312, 352, 416, 429, 528, 572, 624, 704, 743, 832, 858, 1056, 1144, 1248, 1486, 1716, 2112, 2229, 2288, 2496, 2972, 3432, 4458, 4576, 5944, 6864, 8173, 8916, 9152, 9659, 11888, 13728, 16346, 17832, 19318, 23776, 24519, 27456, 28977, 32692, 35664, 38636, 47552, 49038, 57954, 65384, 71328, 77272, 98076, 106249, 115908, 130768, 142656, 154544, 196152, 212498, 231816, 261536, 309088, 318747, 392304, 424996, 463632, 523072, 618176, 637494, 784608, 849992, 927264, 1274988, 1569216, 1699984, 1854528, 2549976, 3399968, 5099952, 6799936, 10199904, 20399808]

約数ペア:

[(1, 20399808), (2, 10199904), (3, 6799936), (4, 5099952), (6, 3399968), (8, 2549976), (11, 1854528), (12, 1699984), (13, 1569216), (16, 1274988), (22, 927264), (24, 849992), (26, 784608), (32, 637494), (33, 618176), (39, 523072), (44, 463632), (48, 424996), (52, 392304), (64, 318747), (66, 309088), (78, 261536), (88, 231816), (96, 212498), (104, 196152), (132, 154544), (143, 142656), (156, 130768), (176, 115908), (192, 106249), (208, 98076), (264, 77272), (286, 71328), (312, 65384), (352, 57954), (416, 49038), (429, 47552), (528, 38636), (572, 35664), (624, 32692), (704, 28977), (743, 27456), (832, 24519), (858, 23776), (1056, 19318), (1144, 17832), (1248, 16346), (1486, 13728), (1716, 11888), (2112, 9659), (2229, 9152), (2288, 8916), (2496, 8173), (2972, 6864), (3432, 5944), (4458, 4576)]