20996943

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14797}}^1$

素因数の和:14854

約数の個数: 16

約数和(自身を含む): 31253376

約数和(自身を除く): 10256433

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 14797, 44391, 162767, 488301, 636271, 1908813, 6998981, 20996943]

約数ペア:

[(1, 20996943), (3, 6998981), (11, 1908813), (33, 636271), (43, 488301), (129, 162767), (473, 44391), (1419, 14797)]