20895441

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{3541}}^1$

素因数の和:3832

約数の個数: 16

約数和(自身を含む): 31963008

約数和(自身を除く): 11067567

約数列:

[1, 3, 7, 21, 281, 843, 1967, 3541, 5901, 10623, 24787, 74361, 995021, 2985063, 6965147, 20895441]

約数ペア:

[(1, 20895441), (3, 6965147), (7, 2985063), (21, 995021), (281, 74361), (843, 24787), (1967, 10623), (3541, 5901)]