2021630416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9719377}}^1$

素因数の和:9719398

約数の個数: 20

約数和(自身を含む): 4218210052

約数和(自身を除く): 2196579636

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9719377, 19438754, 38877508, 77755016, 126351901, 155510032, 252703802, 505407604, 1010815208, 2021630416]

約数ペア:

[(1, 2021630416), (2, 1010815208), (4, 505407604), (8, 252703802), (13, 155510032), (16, 126351901), (26, 77755016), (52, 38877508), (104, 19438754), (208, 9719377)]