20794906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13313}}^1$

素因数の和:13397

約数の個数: 16

約数和(自身を含む): 34509888

約数和(自身を除く): 13714982

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13313, 26626, 146443, 292886, 945223, 1890446, 10397453, 20794906]

約数ペア:

[(1, 20794906), (2, 10397453), (11, 1890446), (22, 945223), (71, 292886), (142, 146443), (781, 26626), (1562, 13313)]