20372229

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{1543}}^1$

素因数の和:1718

約数の個数: 20

約数和(自身を含む): 30639136

約数和(自身を除く): 10266907

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 1543, 4401, 4629, 13203, 13887, 41661, 124983, 251509, 754527, 2263581, 6790743, 20372229]

約数ペア:

[(1, 20372229), (3, 6790743), (9, 2263581), (27, 754527), (81, 251509), (163, 124983), (489, 41661), (1467, 13887), (1543, 13203), (4401, 4629)]