20449424

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29723}}^1$

素因数の和:29774

約数の個数: 20

約数和(自身を含む): 40543536

約数和(自身を除く): 20094112

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29723, 59446, 118892, 237784, 475568, 1278089, 2556178, 5112356, 10224712, 20449424]

約数ペア:

[(1, 20449424), (2, 10224712), (4, 5112356), (8, 2556178), (16, 1278089), (43, 475568), (86, 237784), (172, 118892), (344, 59446), (688, 29723)]