16690420

素因数分解:

$2^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{967}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 35126784

約数和(自身を除く): 18436364

約数列:

[1, 2, 4, 5, 10, 20, 863, 967, 1726, 1934, 3452, 3868, 4315, 4835, 8630, 9670, 17260, 19340, 834521, 1669042, 3338084, 4172605, 8345210, 16690420]

約数ペア:

[(1, 16690420), (2, 8345210), (4, 4172605), (5, 3338084), (10, 1669042), (20, 834521), (863, 19340), (967, 17260), (1726, 9670), (1934, 8630), (3452, 4835), (3868, 4315)]