20689971400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14778551}}^1$

素因数の和:14778574

約数の個数: 48

約数和(自身を含む): 54976213440

約数和(自身を除く): 34286242040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 14778551, 29557102, 59114204, 73892755, 103449857, 118228408, 147785510, 206899714, 295571020, 369463775, 413799428, 517249285, 591142040, 738927550, 827598856, 1034498570, 1477855100, 2068997140, 2586246425, 2955710200, 4137994280, 5172492850, 10344985700, 20689971400]

約数ペア:

[(1, 20689971400), (2, 10344985700), (4, 5172492850), (5, 4137994280), (7, 2955710200), (8, 2586246425), (10, 2068997140), (14, 1477855100), (20, 1034498570), (25, 827598856), (28, 738927550), (35, 591142040), (40, 517249285), (50, 413799428), (56, 369463775), (70, 295571020), (100, 206899714), (140, 147785510), (175, 118228408), (200, 103449857), (280, 73892755), (350, 59114204), (700, 29557102), (1400, 14778551)]