20542731

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1223}}^1$

素因数の和:1746

約数の個数: 16

約数和(自身を含む): 29963520

約数和(自身を除く): 9420789

約数列:

[1, 3, 11, 33, 509, 1223, 1527, 3669, 5599, 13453, 16797, 40359, 622507, 1867521, 6847577, 20542731]

約数ペア:

[(1, 20542731), (3, 6847577), (11, 1867521), (33, 622507), (509, 40359), (1223, 16797), (1527, 13453), (3669, 5599)]