20868694

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135511}}^1$

素因数の和:135531

約数の個数: 16

約数和(自身を含む): 39027456

約数和(自身を除く): 18158762

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 135511, 271022, 948577, 1490621, 1897154, 2981242, 10434347, 20868694]

約数ペア:

[(1, 20868694), (2, 10434347), (7, 2981242), (11, 1897154), (14, 1490621), (22, 948577), (77, 271022), (154, 135511)]