20304711

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16963}}^1$

素因数の和:16995

約数の個数: 24

約数和(自身を含む): 35285120

約数和(自身を除く): 14980409

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 16963, 50889, 118741, 152667, 322297, 356223, 966891, 1068669, 2256079, 2900673, 6768237, 20304711]

約数ペア:

[(1, 20304711), (3, 6768237), (7, 2900673), (9, 2256079), (19, 1068669), (21, 966891), (57, 356223), (63, 322297), (133, 152667), (171, 118741), (399, 50889), (1197, 16963)]