20831942

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1553}}^1$

素因数の和:1927

約数の個数: 16

約数和(自身を含む): 33006960

約数和(自身を除く): 12175018

約数列:

[1, 2, 19, 38, 353, 706, 1553, 3106, 6707, 13414, 29507, 59014, 548209, 1096418, 10415971, 20831942]

約数ペア:

[(1, 20831942), (2, 10415971), (19, 1096418), (38, 548209), (353, 59014), (706, 29507), (1553, 13414), (3106, 6707)]