20530479

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{953}}^1$

素因数の和:1166

約数の個数: 16

約数和(自身を含む): 28207872

約数和(自身を除く): 7677393

約数列:

[1, 3, 43, 129, 167, 501, 953, 2859, 7181, 21543, 40979, 122937, 159151, 477453, 6843493, 20530479]

約数ペア:

[(1, 20530479), (3, 6843493), (43, 477453), (129, 159151), (167, 122937), (501, 40979), (953, 21543), (2859, 7181)]