20126938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10903}}^1$

素因数の和:10989

約数の個数: 16

約数和(自身を含む): 32973696

約数和(自身を除く): 12846758

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 10903, 21806, 141739, 283478, 774113, 1548226, 10063469, 20126938]

約数ペア:

[(1, 20126938), (2, 10063469), (13, 1548226), (26, 774113), (71, 283478), (142, 141739), (923, 21806), (1846, 10903)]