20719986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{493333}}^1$

素因数の和:493345

約数の個数: 16

約数和(自身を含む): 47360064

約数和(自身を除く): 26640078

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 493333, 986666, 1479999, 2959998, 3453331, 6906662, 10359993, 20719986]

約数ペア:

[(1, 20719986), (2, 10359993), (3, 6906662), (6, 3453331), (7, 2959998), (14, 1479999), (21, 986666), (42, 493333)]