20472128

素因数分解:

$2^6\times {\mathrm{43}}^2\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 42

約数和(自身を含む): 41831514

約数和(自身を除く): 21359386

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 173, 344, 346, 688, 692, 1376, 1384, 1849, 2752, 2768, 3698, 5536, 7396, 7439, 11072, 14792, 14878, 29584, 29756, 59168, 59512, 118336, 119024, 238048, 319877, 476096, 639754, 1279508, 2559016, 5118032, 10236064, 20472128]

約数ペア:

[(1, 20472128), (2, 10236064), (4, 5118032), (8, 2559016), (16, 1279508), (32, 639754), (43, 476096), (64, 319877), (86, 238048), (172, 119024), (173, 118336), (344, 59512), (346, 59168), (688, 29756), (692, 29584), (1376, 14878), (1384, 14792), (1849, 11072), (2752, 7439), (2768, 7396), (3698, 5536)]