20448449

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1187}}^1$

素因数の和:1324

約数の個数: 16

約数和(自身を含む): 24634368

約数和(自身を除く): 4185919

約数列:

[1, 7, 23, 107, 161, 749, 1187, 2461, 8309, 17227, 27301, 127009, 191107, 889063, 2921207, 20448449]

約数ペア:

[(1, 20448449), (7, 2921207), (23, 889063), (107, 191107), (161, 127009), (749, 27301), (1187, 17227), (2461, 8309)]