15259820

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1499}}^1$

素因数の和:2017

約数の個数: 24

約数和(自身を含む): 32130000

約数和(自身を除く): 16870180

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 1499, 2036, 2545, 2998, 5090, 5996, 7495, 10180, 14990, 29980, 762991, 1525982, 3051964, 3814955, 7629910, 15259820]

約数ペア:

[(1, 15259820), (2, 7629910), (4, 3814955), (5, 3051964), (10, 1525982), (20, 762991), (509, 29980), (1018, 14990), (1499, 10180), (2036, 7495), (2545, 5996), (2998, 5090)]