20190754520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4630907}}^1$

素因数の和:4631027

約数の個数: 32

約数和(自身を含む): 45845989200

約数和(自身を除く): 25655234680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 4630907, 9261814, 18523628, 23154535, 37047256, 46309070, 92618140, 185236280, 504768863, 1009537726, 2019075452, 2523844315, 4038150904, 5047688630, 10095377260, 20190754520]

約数ペア:

[(1, 20190754520), (2, 10095377260), (4, 5047688630), (5, 4038150904), (8, 2523844315), (10, 2019075452), (20, 1009537726), (40, 504768863), (109, 185236280), (218, 92618140), (436, 46309070), (545, 37047256), (872, 23154535), (1090, 18523628), (2180, 9261814), (4360, 4630907)]