20804529249

素因数分解:

$3^2\times 7^1\times {\mathrm{761}}^1\times {\mathrm{433943}}^1$

素因数の和:434717

約数の個数: 24

約数和(自身を含む): 34389194112

約数和(自身を除く): 13584664863

約数列:

[1, 3, 7, 9, 21, 63, 761, 2283, 5327, 6849, 15981, 47943, 433943, 1301829, 3037601, 3905487, 9112803, 27338409, 330230623, 990691869, 2311614361, 2972075607, 6934843083, 20804529249]

約数ペア:

[(1, 20804529249), (3, 6934843083), (7, 2972075607), (9, 2311614361), (21, 990691869), (63, 330230623), (761, 27338409), (2283, 9112803), (5327, 3905487), (6849, 3037601), (15981, 1301829), (47943, 433943)]