20948095

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 9464705

約数列:

[1, 5, 7, 31, 35, 43, 155, 215, 217, 301, 449, 1085, 1333, 1505, 2245, 3143, 6665, 9331, 13919, 15715, 19307, 46655, 69595, 96535, 97433, 135149, 487165, 598517, 675745, 2992585, 4189619, 20948095]

約数ペア:

[(1, 20948095), (5, 4189619), (7, 2992585), (31, 675745), (35, 598517), (43, 487165), (155, 135149), (215, 97433), (217, 96535), (301, 69595), (449, 46655), (1085, 19307), (1333, 15715), (1505, 13919), (2245, 9331), (3143, 6665)]