20695507

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{337}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 24573952

約数和(自身を除く): 3878445

約数列:

[1, 7, 31, 217, 283, 337, 1981, 2359, 8773, 10447, 61411, 73129, 95371, 667597, 2956501, 20695507]

約数ペア:

[(1, 20695507), (7, 2956501), (31, 667597), (217, 95371), (283, 73129), (337, 61411), (1981, 10447), (2359, 8773)]