20554615

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3061}}^1$

素因数の和:3162

約数の個数: 16

約数和(自身を含む): 26455680

約数和(自身を除く): 5901065

約数列:

[1, 5, 17, 79, 85, 395, 1343, 3061, 6715, 15305, 52037, 241819, 260185, 1209095, 4110923, 20554615]

約数ペア:

[(1, 20554615), (5, 4110923), (17, 1209095), (79, 260185), (85, 241819), (395, 52037), (1343, 15305), (3061, 6715)]