20844981

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{883}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 31350176

約数和(自身を除く): 10505195

約数列:

[1, 3, 9, 43, 61, 129, 183, 387, 549, 883, 2623, 2649, 7869, 7947, 23607, 37969, 53863, 113907, 161589, 341721, 484767, 2316109, 6948327, 20844981]

約数ペア:

[(1, 20844981), (3, 6948327), (9, 2316109), (43, 484767), (61, 341721), (129, 161589), (183, 113907), (387, 53863), (549, 37969), (883, 23607), (2623, 7947), (2649, 7869)]