20886902

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2749}}^1$

素因数の和:2911

約数の個数: 16

約数和(自身を含む): 32670000

約数和(自身を除く): 11783098

約数列:

[1, 2, 29, 58, 131, 262, 2749, 3799, 5498, 7598, 79721, 159442, 360119, 720238, 10443451, 20886902]

約数ペア:

[(1, 20886902), (2, 10443451), (29, 720238), (58, 360119), (131, 159442), (262, 79721), (2749, 7598), (3799, 5498)]