20553690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{685123}}^1$

素因数の和:685133

約数の個数: 16

約数和(自身を含む): 49328928

約数和(自身を除く): 28775238

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 685123, 1370246, 2055369, 3425615, 4110738, 6851230, 10276845, 20553690]

約数ペア:

[(1, 20553690), (2, 10276845), (3, 6851230), (5, 4110738), (6, 3425615), (10, 2055369), (15, 1370246), (30, 685123)]