20882841

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7591}}^1$

素因数の和:7732

約数の個数: 16

約数和(自身を含む): 32068608

約数和(自身を除く): 11185767

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 7591, 22773, 53137, 159411, 994421, 2983263, 6960947, 20882841]

約数ペア:

[(1, 20882841), (3, 6960947), (7, 2983263), (21, 994421), (131, 159411), (393, 53137), (917, 22773), (2751, 7591)]