20849543

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{691}}^1$

素因数の和:926

約数の個数: 16

約数和(自身を含む): 24646272

約数和(自身を除く): 3796729

約数列:

[1, 11, 13, 143, 211, 691, 2321, 2743, 7601, 8983, 30173, 98813, 145801, 1603811, 1895413, 20849543]

約数ペア:

[(1, 20849543), (11, 1895413), (13, 1603811), (143, 145801), (211, 98813), (691, 30173), (2321, 8983), (2743, 7601)]