20351639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2339}}^1$

素因数の和:2470

約数の個数: 16

約数和(自身を含む): 25608960

約数和(自身を除く): 5257321

約数列:

[1, 7, 11, 77, 113, 791, 1243, 2339, 8701, 16373, 25729, 180103, 264307, 1850149, 2907377, 20351639]

約数ペア:

[(1, 20351639), (7, 2907377), (11, 1850149), (77, 264307), (113, 180103), (791, 25729), (1243, 16373), (2339, 8701)]