20418249

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1907}}^1$

素因数の和:2036

約数の個数: 16

約数和(自身を含む): 28207872

約数和(自身を除く): 7789623

約数列:

[1, 3, 43, 83, 129, 249, 1907, 3569, 5721, 10707, 82001, 158281, 246003, 474843, 6806083, 20418249]

約数ペア:

[(1, 20418249), (3, 6806083), (43, 474843), (83, 246003), (129, 158281), (249, 82001), (1907, 10707), (3569, 5721)]