20011260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1693}}^1$

素因数の和:1902

約数の個数: 48

約数和(自身を含む): 56349216

約数和(自身を除く): 36337956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1693, 1970, 2364, 2955, 3386, 3940, 5079, 5910, 6772, 8465, 10158, 11820, 16930, 20316, 25395, 33860, 50790, 101580, 333521, 667042, 1000563, 1334084, 1667605, 2001126, 3335210, 4002252, 5002815, 6670420, 10005630, 20011260]

約数ペア:

[(1, 20011260), (2, 10005630), (3, 6670420), (4, 5002815), (5, 4002252), (6, 3335210), (10, 2001126), (12, 1667605), (15, 1334084), (20, 1000563), (30, 667042), (60, 333521), (197, 101580), (394, 50790), (591, 33860), (788, 25395), (985, 20316), (1182, 16930), (1693, 11820), (1970, 10158), (2364, 8465), (2955, 6772), (3386, 5910), (3940, 5079)]