20968041

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 28594944

約数和(自身を除く): 7626903

約数列:

[1, 3, 83, 107, 249, 321, 787, 2361, 8881, 26643, 65321, 84209, 195963, 252627, 6989347, 20968041]

約数ペア:

[(1, 20968041), (3, 6989347), (83, 252627), (107, 195963), (249, 84209), (321, 65321), (787, 26643), (2361, 8881)]