20431149

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 28030464

約数和(自身を除く): 7599315

約数列:

[1, 3, 43, 129, 251, 631, 753, 1893, 10793, 27133, 32379, 81399, 158381, 475143, 6810383, 20431149]

約数ペア:

[(1, 20431149), (3, 6810383), (43, 475143), (129, 158381), (251, 81399), (631, 32379), (753, 27133), (1893, 10793)]