20717751935

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{218969}}^1$

素因数の和:219250

約数の個数: 16

約数和(自身を含む): 25225344000

約数和(自身を除く): 4507592065

約数列:

[1, 5, 127, 149, 635, 745, 18923, 94615, 218969, 1094845, 27809063, 32626381, 139045315, 163131905, 4143550387, 20717751935]

約数ペア:

[(1, 20717751935), (5, 4143550387), (127, 163131905), (149, 139045315), (635, 32626381), (745, 27809063), (18923, 1094845), (94615, 218969)]