20937829

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 5189531

約数列:

[1, 11, 17, 19, 71, 83, 187, 209, 323, 781, 913, 1207, 1349, 1411, 1577, 3553, 5893, 13277, 14839, 15521, 17347, 22933, 26809, 64823, 100181, 111967, 252263, 294899, 1101991, 1231637, 1903439, 20937829]

約数ペア:

[(1, 20937829), (11, 1903439), (17, 1231637), (19, 1101991), (71, 294899), (83, 252263), (187, 111967), (209, 100181), (323, 64823), (781, 26809), (913, 22933), (1207, 17347), (1349, 15521), (1411, 14839), (1577, 13277), (3553, 5893)]