20974329

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{18947}}^1$

素因数の和:18997

約数の個数: 16

約数和(自身を含む): 31832640

約数和(自身を除く): 10858311

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 18947, 56841, 170523, 511569, 776827, 2330481, 6991443, 20974329]

約数ペア:

[(1, 20974329), (3, 6991443), (9, 2330481), (27, 776827), (41, 511569), (123, 170523), (369, 56841), (1107, 18947)]