20565094

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21739}}^1$

素因数の和:21795

約数の個数: 16

約数和(自身を含む): 34436160

約数和(自身を除く): 13871066

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21739, 43478, 239129, 478258, 934777, 1869554, 10282547, 20565094]

約数ペア:

[(1, 20565094), (2, 10282547), (11, 1869554), (22, 934777), (43, 478258), (86, 239129), (473, 43478), (946, 21739)]