20658512

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2753}}^1$

素因数の和:2835

約数の個数: 40

約数和(自身を含む): 46443456

約数和(自身を除く): 25784944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 2753, 3752, 5506, 7504, 11012, 19271, 22024, 38542, 44048, 77084, 154168, 184451, 308336, 368902, 737804, 1291157, 1475608, 2582314, 2951216, 5164628, 10329256, 20658512]

約数ペア:

[(1, 20658512), (2, 10329256), (4, 5164628), (7, 2951216), (8, 2582314), (14, 1475608), (16, 1291157), (28, 737804), (56, 368902), (67, 308336), (112, 184451), (134, 154168), (268, 77084), (469, 44048), (536, 38542), (938, 22024), (1072, 19271), (1876, 11012), (2753, 7504), (3752, 5506)]