20774416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99877}}^1$

素因数の和:99898

約数の個数: 20

約数和(自身を含む): 43347052

約数和(自身を除く): 22572636

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99877, 199754, 399508, 799016, 1298401, 1598032, 2596802, 5193604, 10387208, 20774416]

約数ペア:

[(1, 20774416), (2, 10387208), (4, 5193604), (8, 2596802), (13, 1598032), (16, 1298401), (26, 799016), (52, 399508), (104, 199754), (208, 99877)]