20420352

素因数分解:

$2^8\times 3^2\times {\mathrm{8863}}^1$

素因数の和:8885

約数の個数: 54

約数和(自身を含む): 58883552

約数和(自身を除く): 38463200

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 8863, 17726, 26589, 35452, 53178, 70904, 79767, 106356, 141808, 159534, 212712, 283616, 319068, 425424, 567232, 638136, 850848, 1134464, 1276272, 1701696, 2268928, 2552544, 3403392, 5105088, 6806784, 10210176, 20420352]

約数ペア:

[(1, 20420352), (2, 10210176), (3, 6806784), (4, 5105088), (6, 3403392), (8, 2552544), (9, 2268928), (12, 1701696), (16, 1276272), (18, 1134464), (24, 850848), (32, 638136), (36, 567232), (48, 425424), (64, 319068), (72, 283616), (96, 212712), (128, 159534), (144, 141808), (192, 106356), (256, 79767), (288, 70904), (384, 53178), (576, 35452), (768, 26589), (1152, 17726), (2304, 8863)]