20969157

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{3673}}^1$

素因数の和:3860

約数の個数: 16

約数和(自身を含む): 30685248

約数和(自身を除く): 9716091

約数列:

[1, 3, 11, 33, 173, 519, 1903, 3673, 5709, 11019, 40403, 121209, 635429, 1906287, 6989719, 20969157]

約数ペア:

[(1, 20969157), (3, 6989719), (11, 1906287), (33, 635429), (173, 121209), (519, 40403), (1903, 11019), (3673, 5709)]