20114689

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 24972608

約数和(自身を除く): 4857919

約数列:

[1, 7, 17, 61, 119, 163, 289, 427, 1037, 1141, 2023, 2771, 7259, 9943, 17629, 19397, 47107, 69601, 123403, 169031, 329749, 1183217, 2873527, 20114689]

約数ペア:

[(1, 20114689), (7, 2873527), (17, 1183217), (61, 329749), (119, 169031), (163, 123403), (289, 69601), (427, 47107), (1037, 19397), (1141, 17629), (2023, 9943), (2771, 7259)]