20726727

素因数分解:

$3^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{1217}}^1$

素因数の和:2038

約数の個数: 16

約数和(自身を含む): 31648512

約数和(自身を除く): 10921785

約数列:

[1, 3, 7, 21, 811, 1217, 2433, 3651, 5677, 8519, 17031, 25557, 986987, 2960961, 6908909, 20726727]

約数ペア:

[(1, 20726727), (3, 6908909), (7, 2960961), (21, 986987), (811, 25557), (1217, 17031), (2433, 8519), (3651, 5677)]