20184738040

素因数分解:

$2^3\times 5^1\times {\mathrm{504618451}}^1$

素因数の和:504618462

約数の個数: 16

約数和(自身を含む): 45415660680

約数和(自身を除く): 25230922640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504618451, 1009236902, 2018473804, 2523092255, 4036947608, 5046184510, 10092369020, 20184738040]

約数ペア:

[(1, 20184738040), (2, 10092369020), (4, 5046184510), (5, 4036947608), (8, 2523092255), (10, 2018473804), (20, 1009236902), (40, 504618451)]