20390070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{679669}}^1$

素因数の和:679679

約数の個数: 16

約数和(自身を含む): 48936240

約数和(自身を除く): 28546170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 679669, 1359338, 2039007, 3398345, 4078014, 6796690, 10195035, 20390070]

約数ペア:

[(1, 20390070), (2, 10195035), (3, 6796690), (5, 4078014), (6, 3398345), (10, 2039007), (15, 1359338), (30, 679669)]