20047636

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{523}}^1$

素因数の和:608

約数の個数: 36

約数和(自身を含む): 41287008

約数和(自身を除く): 21239372

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 523, 1036, 1046, 1369, 2092, 2738, 3661, 5476, 7322, 9583, 14644, 19166, 19351, 38332, 38702, 77404, 135457, 270914, 541828, 715987, 1431974, 2863948, 5011909, 10023818, 20047636]

約数ペア:

[(1, 20047636), (2, 10023818), (4, 5011909), (7, 2863948), (14, 1431974), (28, 715987), (37, 541828), (74, 270914), (148, 135457), (259, 77404), (518, 38702), (523, 38332), (1036, 19351), (1046, 19166), (1369, 14644), (2092, 9583), (2738, 7322), (3661, 5476)]