20797001

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 24308640

約数和(自身を除く): 3511639

約数列:

[1, 17, 19, 31, 67, 323, 527, 589, 961, 1139, 1273, 2077, 10013, 16337, 18259, 21641, 35309, 39463, 64387, 310403, 670871, 1094579, 1223353, 20797001]

約数ペア:

[(1, 20797001), (17, 1223353), (19, 1094579), (31, 670871), (67, 310403), (323, 64387), (527, 39463), (589, 35309), (961, 21641), (1139, 18259), (1273, 16337), (2077, 10013)]