20321499

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14321}}^1$

素因数の和:14378

約数の個数: 16

約数和(自身を含む): 30248064

約数和(自身を除く): 9926565

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 14321, 42963, 157531, 472593, 615803, 1847409, 6773833, 20321499]

約数ペア:

[(1, 20321499), (3, 6773833), (11, 1847409), (33, 615803), (43, 472593), (129, 157531), (473, 42963), (1419, 14321)]