15158020

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1489}}^1$

素因数の和:2007

約数の個数: 24

約数和(自身を含む): 31915800

約数和(自身を除く): 16757780

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 1489, 2036, 2545, 2978, 5090, 5956, 7445, 10180, 14890, 29780, 757901, 1515802, 3031604, 3789505, 7579010, 15158020]

約数ペア:

[(1, 15158020), (2, 7579010), (4, 3789505), (5, 3031604), (10, 1515802), (20, 757901), (509, 29780), (1018, 14890), (1489, 10180), (2036, 7445), (2545, 5956), (2978, 5090)]