20359090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25771}}^1$

素因数の和:25857

約数の個数: 16

約数和(自身を含む): 37111680

約数和(自身を除く): 16752590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 25771, 51542, 128855, 257710, 2035909, 4071818, 10179545, 20359090]

約数ペア:

[(1, 20359090), (2, 10179545), (5, 4071818), (10, 2035909), (79, 257710), (158, 128855), (395, 51542), (790, 25771)]