20883364

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{2687}}^1$

素因数の和:2787

約数の個数: 24

約数和(自身を含む): 38384640

約数和(自身を除く): 17501276

約数列:

[1, 2, 4, 29, 58, 67, 116, 134, 268, 1943, 2687, 3886, 5374, 7772, 10748, 77923, 155846, 180029, 311692, 360058, 720116, 5220841, 10441682, 20883364]

約数ペア:

[(1, 20883364), (2, 10441682), (4, 5220841), (29, 720116), (58, 360058), (67, 311692), (116, 180029), (134, 155846), (268, 77923), (1943, 10748), (2687, 7772), (3886, 5374)]