20448478

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{5059}}^1$

素因数の和:5151

約数の個数: 16

約数和(自身を含む): 32060160

約数和(自身を除く): 11611682

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 5059, 10118, 217537, 237773, 435074, 475546, 10224239, 20448478]

約数ペア:

[(1, 20448478), (2, 10224239), (43, 475546), (47, 435074), (86, 237773), (94, 217537), (2021, 10118), (4042, 5059)]