20557424

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27337}}^1$

素因数の和:27392

約数の個数: 20

約数和(自身を含む): 40678944

約数和(自身を除く): 20121520

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27337, 54674, 109348, 218696, 437392, 1284839, 2569678, 5139356, 10278712, 20557424]

約数ペア:

[(1, 20557424), (2, 10278712), (4, 5139356), (8, 2569678), (16, 1284839), (47, 437392), (94, 218696), (188, 109348), (376, 54674), (752, 27337)]