20958441

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16361}}^1$

素因数の和:16432

約数の個数: 16

約数和(自身を含む): 32462208

約数和(自身を除く): 11503767

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 16361, 49083, 114527, 343581, 998021, 2994063, 6986147, 20958441]

約数ペア:

[(1, 20958441), (3, 6986147), (7, 2994063), (21, 998021), (61, 343581), (183, 114527), (427, 49083), (1281, 16361)]