20281569286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21439291}}^1$

素因数の和:21439347

約数の個数: 16

約数和(自身を含む): 33959838528

約数和(自身を除く): 13678269242

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21439291, 42878582, 235832201, 471664402, 921889513, 1843779026, 10140784643, 20281569286]

約数ペア:

[(1, 20281569286), (2, 10140784643), (11, 1843779026), (22, 921889513), (43, 471664402), (86, 235832201), (473, 42878582), (946, 21439291)]