20275600

素因数分解:

$2^4\times 5^2\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:484

約数の個数: 60

約数和(自身を含む): 49160916

約数和(自身を除く): 28885316

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 173, 200, 293, 346, 400, 586, 692, 865, 1172, 1384, 1465, 1730, 2344, 2768, 2930, 3460, 4325, 4688, 5860, 6920, 7325, 8650, 11720, 13840, 14650, 17300, 23440, 29300, 34600, 50689, 58600, 69200, 101378, 117200, 202756, 253445, 405512, 506890, 811024, 1013780, 1267225, 2027560, 2534450, 4055120, 5068900, 10137800, 20275600]

約数ペア:

[(1, 20275600), (2, 10137800), (4, 5068900), (5, 4055120), (8, 2534450), (10, 2027560), (16, 1267225), (20, 1013780), (25, 811024), (40, 506890), (50, 405512), (80, 253445), (100, 202756), (173, 117200), (200, 101378), (293, 69200), (346, 58600), (400, 50689), (586, 34600), (692, 29300), (865, 23440), (1172, 17300), (1384, 14650), (1465, 13840), (1730, 11720), (2344, 8650), (2768, 7325), (2930, 6920), (3460, 5860), (4325, 4688)]