20426392

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15859}}^1$

素因数の和:15895

約数の個数: 32

約数和(自身を含む): 45676800

約数和(自身を除く): 25250408

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 15859, 31718, 63436, 111013, 126872, 222026, 364757, 444052, 729514, 888104, 1459028, 2553299, 2918056, 5106598, 10213196, 20426392]

約数ペア:

[(1, 20426392), (2, 10213196), (4, 5106598), (7, 2918056), (8, 2553299), (14, 1459028), (23, 888104), (28, 729514), (46, 444052), (56, 364757), (92, 222026), (161, 126872), (184, 111013), (322, 63436), (644, 31718), (1288, 15859)]