20975607

素因数分解:

$3^2\times {\mathrm{443}}^1\times {\mathrm{5261}}^1$

素因数の和:5710

約数の個数: 12

約数和(自身を含む): 30372264

約数和(自身を除く): 9396657

約数列:

[1, 3, 9, 443, 1329, 3987, 5261, 15783, 47349, 2330623, 6991869, 20975607]

約数ペア:

[(1, 20975607), (3, 6991869), (9, 2330623), (443, 47349), (1329, 15783), (3987, 5261)]