20782585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1759}}^1$

素因数の和:1920

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 5828615

約数列:

[1, 5, 17, 85, 139, 695, 1759, 2363, 8795, 11815, 29903, 149515, 244501, 1222505, 4156517, 20782585]

約数ペア:

[(1, 20782585), (5, 4156517), (17, 1222505), (85, 244501), (139, 149515), (695, 29903), (1759, 11815), (2363, 8795)]