20257886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15607}}^1$

素因数の和:15679

約数の個数: 16

約数和(自身を含む): 33713280

約数和(自身を除く): 13455394

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 15607, 31214, 171677, 343354, 920813, 1841626, 10128943, 20257886]

約数ペア:

[(1, 20257886), (2, 10128943), (11, 1841626), (22, 920813), (59, 343354), (118, 171677), (649, 31214), (1298, 15607)]