20465727

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{839}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 28062720

約数和(自身を除く): 7596993

約数列:

[1, 3, 47, 141, 173, 519, 839, 2517, 8131, 24393, 39433, 118299, 145147, 435441, 6821909, 20465727]

約数ペア:

[(1, 20465727), (3, 6821909), (47, 435441), (141, 145147), (173, 118299), (519, 39433), (839, 24393), (2517, 8131)]