20088955

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{419}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 4748165

約数列:

[1, 5, 43, 215, 223, 419, 1115, 2095, 9589, 18017, 47945, 90085, 93437, 467185, 4017791, 20088955]

約数ペア:

[(1, 20088955), (5, 4017791), (43, 467185), (215, 93437), (223, 90085), (419, 47945), (1115, 18017), (2095, 9589)]