20817093

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{27427}}^1$

素因数の和:27464

約数の個数: 16

約数和(自身を含む): 31597056

約数和(自身を除く): 10779963

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 27427, 82281, 301697, 630821, 905091, 1892463, 6939031, 20817093]

約数ペア:

[(1, 20817093), (3, 6939031), (11, 1892463), (23, 905091), (33, 630821), (69, 301697), (253, 82281), (759, 27427)]