20569371

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2671}}^1$

素因数の和:2842

約数の個数: 16

約数和(自身を含む): 29242368

約数和(自身を除く): 8672997

約数列:

[1, 3, 17, 51, 151, 453, 2567, 2671, 7701, 8013, 45407, 136221, 403321, 1209963, 6856457, 20569371]

約数ペア:

[(1, 20569371), (3, 6856457), (17, 1209963), (51, 403321), (151, 136221), (453, 45407), (2567, 8013), (2671, 7701)]