20516031

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 11417409

約数列:

[1, 3, 9, 27, 41, 43, 123, 129, 369, 387, 431, 1107, 1161, 1293, 1763, 3879, 5289, 11637, 15867, 17671, 18533, 47601, 53013, 55599, 159039, 166797, 477117, 500391, 759853, 2279559, 6838677, 20516031]

約数ペア:

[(1, 20516031), (3, 6838677), (9, 2279559), (27, 759853), (41, 500391), (43, 477117), (123, 166797), (129, 159039), (369, 55599), (387, 53013), (431, 47601), (1107, 18533), (1161, 17671), (1293, 15867), (1763, 11637), (3879, 5289)]