20779918

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1\times {\mathrm{769}}^1$

素因数の和:1059

約数の個数: 16

約数和(自身を含む): 31878000

約数和(自身を除く): 11098082

約数列:

[1, 2, 59, 118, 229, 458, 769, 1538, 13511, 27022, 45371, 90742, 176101, 352202, 10389959, 20779918]

約数ペア:

[(1, 20779918), (2, 10389959), (59, 352202), (118, 176101), (229, 90742), (458, 45371), (769, 27022), (1538, 13511)]