20440173

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1307}}^1$

素因数の和:1724

約数の個数: 16

約数和(自身を含む): 29445696

約数和(自身を除く): 9005523

約数列:

[1, 3, 13, 39, 401, 1203, 1307, 3921, 5213, 15639, 16991, 50973, 524107, 1572321, 6813391, 20440173]

約数ペア:

[(1, 20440173), (3, 6813391), (13, 1572321), (39, 524107), (401, 50973), (1203, 16991), (1307, 15639), (3921, 5213)]