20658791

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:598

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 2150809

約数列:

[1, 17, 43, 59, 479, 731, 1003, 2537, 8143, 20597, 28261, 43129, 350149, 480437, 1215223, 20658791]

約数ペア:

[(1, 20658791), (17, 1215223), (43, 480437), (59, 350149), (479, 43129), (731, 28261), (1003, 20597), (2537, 8143)]