20202561

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17401}}^1$

素因数の和:17453

約数の個数: 16

約数和(自身を含む): 30627520

約数和(自身を除く): 10424959

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17401, 52203, 156609, 469827, 748243, 2244729, 6734187, 20202561]

約数ペア:

[(1, 20202561), (3, 6734187), (9, 2244729), (27, 748243), (43, 469827), (129, 156609), (387, 52203), (1161, 17401)]