20979357

素因数分解:

$3^1\times 7^1\times {\mathrm{859}}^1\times {\mathrm{1163}}^1$

素因数の和:2032

約数の個数: 16

約数和(自身を含む): 32033280

約数和(自身を除く): 11053923

約数列:

[1, 3, 7, 21, 859, 1163, 2577, 3489, 6013, 8141, 18039, 24423, 999017, 2997051, 6993119, 20979357]

約数ペア:

[(1, 20979357), (3, 6993119), (7, 2997051), (21, 999017), (859, 24423), (1163, 18039), (2577, 8141), (3489, 6013)]