20998087

素因数分解:

${\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 23506560

約数和(自身を除く): 2508473

約数列:

[1, 11, 83, 109, 211, 913, 1199, 2321, 9047, 17513, 22999, 99517, 192643, 252989, 1908917, 20998087]

約数ペア:

[(1, 20998087), (11, 1908917), (83, 252989), (109, 192643), (211, 99517), (913, 22999), (1199, 17513), (2321, 9047)]