20517270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{683909}}^1$

素因数の和:683919

約数の個数: 16

約数和(自身を含む): 49241520

約数和(自身を除く): 28724250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 683909, 1367818, 2051727, 3419545, 4103454, 6839090, 10258635, 20517270]

約数ペア:

[(1, 20517270), (2, 10258635), (3, 6839090), (5, 4103454), (6, 3419545), (10, 2051727), (15, 1367818), (30, 683909)]