20516089

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 22999680

約数和(自身を除く): 2483591

約数列:

[1, 11, 71, 109, 241, 781, 1199, 2651, 7739, 17111, 26269, 85129, 188221, 288959, 1865099, 20516089]

約数ペア:

[(1, 20516089), (11, 1865099), (71, 288959), (109, 188221), (241, 85129), (781, 26269), (1199, 17111), (2651, 7739)]