17897020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4241}}^1$

素因数の和:4461

約数の個数: 24

約数和(自身を含む): 37770768

約数和(自身を除く): 19873748

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 4241, 8482, 16964, 21205, 42410, 84820, 894851, 1789702, 3579404, 4474255, 8948510, 17897020]

約数ペア:

[(1, 17897020), (2, 8948510), (4, 4474255), (5, 3579404), (10, 1789702), (20, 894851), (211, 84820), (422, 42410), (844, 21205), (1055, 16964), (2110, 8482), (4220, 4241)]