20950279

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 24530688

約数和(自身を除く): 3580409

約数列:

[1, 7, 83, 107, 337, 581, 749, 2359, 8881, 27971, 36059, 62167, 195797, 252413, 2992897, 20950279]

約数ペア:

[(1, 20950279), (7, 2992897), (83, 252413), (107, 195797), (337, 62167), (581, 36059), (749, 27971), (2359, 8881)]