20408910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{680297}}^1$

素因数の和:680307

約数の個数: 16

約数和(自身を含む): 48981456

約数和(自身を除く): 28572546

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 680297, 1360594, 2040891, 3401485, 4081782, 6802970, 10204455, 20408910]

約数ペア:

[(1, 20408910), (2, 10204455), (3, 6802970), (5, 4081782), (6, 3401485), (10, 2040891), (15, 1360594), (30, 680297)]