20982483

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{3121}}^1$

素因数の和:3216

約数の個数: 20

約数和(自身を含む): 31732008

約数和(自身を除く): 10749525

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 3121, 6723, 9363, 28089, 84267, 252801, 259043, 777129, 2331387, 6994161, 20982483]

約数ペア:

[(1, 20982483), (3, 6994161), (9, 2331387), (27, 777129), (81, 259043), (83, 252801), (249, 84267), (747, 28089), (2241, 9363), (3121, 6723)]