20804967155

素因数分解:

$5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2100451}}^1$

素因数の和:2100746

約数の個数: 16

約数和(自身を含む): 28633361664

約数和(自身を除く): 7828394509

約数列:

[1, 5, 7, 35, 283, 1415, 1981, 9905, 2100451, 10502255, 14703157, 73515785, 594427633, 2972138165, 4160993431, 20804967155]

約数ペア:

[(1, 20804967155), (5, 4160993431), (7, 2972138165), (35, 594427633), (283, 73515785), (1415, 14703157), (1981, 10502255), (9905, 2100451)]