20783168

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2017}}^1$

素因数の和:2059

約数の個数: 56

約数和(自身を含む): 49206912

約数和(自身を除く): 28423744

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 161, 184, 224, 322, 368, 448, 644, 736, 1288, 1472, 2017, 2576, 4034, 5152, 8068, 10304, 14119, 16136, 28238, 32272, 46391, 56476, 64544, 92782, 112952, 129088, 185564, 225904, 324737, 371128, 451808, 649474, 742256, 903616, 1298948, 1484512, 2597896, 2969024, 5195792, 10391584, 20783168]

約数ペア:

[(1, 20783168), (2, 10391584), (4, 5195792), (7, 2969024), (8, 2597896), (14, 1484512), (16, 1298948), (23, 903616), (28, 742256), (32, 649474), (46, 451808), (56, 371128), (64, 324737), (92, 225904), (112, 185564), (161, 129088), (184, 112952), (224, 92782), (322, 64544), (368, 56476), (448, 46391), (644, 32272), (736, 28238), (1288, 16136), (1472, 14119), (2017, 10304), (2576, 8068), (4034, 5152)]