20312156949

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{150967}}^1$

素因数の和:151169

約数の個数: 32

約数和(自身を含む): 31884441600

約数和(自身を除く): 11572284651

約数列:

[1, 3, 7, 21, 43, 129, 149, 301, 447, 903, 1043, 3129, 6407, 19221, 44849, 134547, 150967, 452901, 1056769, 3170307, 6491581, 19474743, 22494083, 45441067, 67482249, 136323201, 157458581, 472375743, 967245569, 2901736707, 6770718983, 20312156949]

約数ペア:

[(1, 20312156949), (3, 6770718983), (7, 2901736707), (21, 967245569), (43, 472375743), (129, 157458581), (149, 136323201), (301, 67482249), (447, 45441067), (903, 22494083), (1043, 19474743), (3129, 6491581), (6407, 3170307), (19221, 1056769), (44849, 452901), (134547, 150967)]