20535252

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2341}}^1$

素因数の和:2408

約数の個数: 48

約数和(自身を含む): 51936192

約数和(自身を除く): 31400940

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 129, 172, 204, 258, 516, 731, 1462, 2193, 2341, 2924, 4386, 4682, 7023, 8772, 9364, 14046, 28092, 39797, 79594, 100663, 119391, 159188, 201326, 238782, 301989, 402652, 477564, 603978, 1207956, 1711271, 3422542, 5133813, 6845084, 10267626, 20535252]

約数ペア:

[(1, 20535252), (2, 10267626), (3, 6845084), (4, 5133813), (6, 3422542), (12, 1711271), (17, 1207956), (34, 603978), (43, 477564), (51, 402652), (68, 301989), (86, 238782), (102, 201326), (129, 159188), (172, 119391), (204, 100663), (258, 79594), (516, 39797), (731, 28092), (1462, 14046), (2193, 9364), (2341, 8772), (2924, 7023), (4386, 4682)]