20184222020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4782991}}^1$

素因数の和:4783211

約数の個数: 24

約数和(自身を含む): 42587760768

約数和(自身を除く): 22403538748

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 4782991, 9565982, 19131964, 23914955, 47829910, 95659820, 1009211101, 2018422202, 4036844404, 5046055505, 10092111010, 20184222020]

約数ペア:

[(1, 20184222020), (2, 10092111010), (4, 5046055505), (5, 4036844404), (10, 2018422202), (20, 1009211101), (211, 95659820), (422, 47829910), (844, 23914955), (1055, 19131964), (2110, 9565982), (4220, 4782991)]