20288553

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{1039}}^1$

素因数の和:1348

約数の個数: 16

約数和(自身を含む): 28354560

約数和(自身を除く): 8066007

約数列:

[1, 3, 23, 69, 283, 849, 1039, 3117, 6509, 19527, 23897, 71691, 294037, 882111, 6762851, 20288553]

約数ペア:

[(1, 20288553), (3, 6762851), (23, 882111), (69, 294037), (283, 71691), (849, 23897), (1039, 19527), (3117, 6509)]