20847128

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84061}}^1$

素因数の和:84098

約数の個数: 16

約数和(自身を含む): 40349760

約数和(自身を除く): 19502632

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84061, 168122, 336244, 672488, 2605891, 5211782, 10423564, 20847128]

約数ペア:

[(1, 20847128), (2, 10423564), (4, 5211782), (8, 2605891), (31, 672488), (62, 336244), (124, 168122), (248, 84061)]