20105166

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 41500800

約数和(自身を除く): 21395634

約数列:

[1, 2, 3, 6, 43, 86, 129, 149, 258, 298, 447, 523, 894, 1046, 1569, 3138, 6407, 12814, 19221, 22489, 38442, 44978, 67467, 77927, 134934, 155854, 233781, 467562, 3350861, 6701722, 10052583, 20105166]

約数ペア:

[(1, 20105166), (2, 10052583), (3, 6701722), (6, 3350861), (43, 467562), (86, 233781), (129, 155854), (149, 134934), (258, 77927), (298, 67467), (447, 44978), (523, 38442), (894, 22489), (1046, 19221), (1569, 12814), (3138, 6407)]