20088215

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^2$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 28292832

約数和(自身を除く): 8204617

約数列:

[1, 5, 7, 35, 61, 97, 305, 427, 485, 679, 2135, 3395, 5917, 9409, 29585, 41419, 47045, 65863, 207095, 329315, 573949, 2869745, 4017643, 20088215]

約数ペア:

[(1, 20088215), (5, 4017643), (7, 2869745), (35, 573949), (61, 329315), (97, 207095), (305, 65863), (427, 47045), (485, 41419), (679, 29585), (2135, 9409), (3395, 5917)]