20207906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1699}}^1$

素因数の和:2033

約数の個数: 16

約数和(自身を含む): 32028000

約数和(自身を除く): 11820094

約数列:

[1, 2, 19, 38, 313, 626, 1699, 3398, 5947, 11894, 32281, 64562, 531787, 1063574, 10103953, 20207906]

約数ペア:

[(1, 20207906), (2, 10103953), (19, 1063574), (38, 531787), (313, 64562), (626, 32281), (1699, 11894), (3398, 5947)]