20184905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1609}}^1$

素因数の和:1820

約数の個数: 16

約数和(自身を含む): 26236560

約数和(自身を除く): 6051655

約数列:

[1, 5, 13, 65, 193, 965, 1609, 2509, 8045, 12545, 20917, 104585, 310537, 1552685, 4036981, 20184905]

約数ペア:

[(1, 20184905), (5, 4036981), (13, 1552685), (65, 310537), (193, 104585), (965, 20917), (1609, 12545), (2509, 8045)]