20995204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{1091}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 39076128

約数和(自身を除く): 18080924

約数列:

[1, 2, 4, 17, 34, 68, 283, 566, 1091, 1132, 2182, 4364, 4811, 9622, 18547, 19244, 37094, 74188, 308753, 617506, 1235012, 5248801, 10497602, 20995204]

約数ペア:

[(1, 20995204), (2, 10497602), (4, 5248801), (17, 1235012), (34, 617506), (68, 308753), (283, 74188), (566, 37094), (1091, 19244), (1132, 18547), (2182, 9622), (4364, 4811)]