20184280

素因数分解:

$2^3\times 5^1\times {\mathrm{504607}}^1$

素因数の和:504618

約数の個数: 16

約数和(自身を含む): 45414720

約数和(自身を除く): 25230440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504607, 1009214, 2018428, 2523035, 4036856, 5046070, 10092140, 20184280]

約数ペア:

[(1, 20184280), (2, 10092140), (4, 5046070), (5, 4036856), (8, 2523035), (10, 2018428), (20, 1009214), (40, 504607)]