20882200

素因数分解:

$2^3\times 5^2\times {\mathrm{263}}^1\times {\mathrm{397}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 48858480

約数和(自身を除く): 27976280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 263, 397, 526, 794, 1052, 1315, 1588, 1985, 2104, 2630, 3176, 3970, 5260, 6575, 7940, 9925, 10520, 13150, 15880, 19850, 26300, 39700, 52600, 79400, 104411, 208822, 417644, 522055, 835288, 1044110, 2088220, 2610275, 4176440, 5220550, 10441100, 20882200]

約数ペア:

[(1, 20882200), (2, 10441100), (4, 5220550), (5, 4176440), (8, 2610275), (10, 2088220), (20, 1044110), (25, 835288), (40, 522055), (50, 417644), (100, 208822), (200, 104411), (263, 79400), (397, 52600), (526, 39700), (794, 26300), (1052, 19850), (1315, 15880), (1588, 13150), (1985, 10520), (2104, 9925), (2630, 7940), (3176, 6575), (3970, 5260)]