20928208

素因数分解:

$2^4\times 7^1\times {\mathrm{186859}}^1$

素因数の和:186874

約数の個数: 20

約数和(自身を含む): 46341280

約数和(自身を除く): 25413072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 186859, 373718, 747436, 1308013, 1494872, 2616026, 2989744, 5232052, 10464104, 20928208]

約数ペア:

[(1, 20928208), (2, 10464104), (4, 5232052), (7, 2989744), (8, 2616026), (14, 1494872), (16, 1308013), (28, 747436), (56, 373718), (112, 186859)]