20869670

素因数分解:

$2^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{5449}}^1$

素因数の和:5839

約数の個数: 16

約数和(自身を含む): 37670400

約数和(自身を除く): 16800730

約数列:

[1, 2, 5, 10, 383, 766, 1915, 3830, 5449, 10898, 27245, 54490, 2086967, 4173934, 10434835, 20869670]

約数ペア:

[(1, 20869670), (2, 10434835), (5, 4173934), (10, 2086967), (383, 54490), (766, 27245), (1915, 10898), (3830, 5449)]