20456970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{681899}}^1$

素因数の和:681909

約数の個数: 16

約数和(自身を含む): 49096800

約数和(自身を除く): 28639830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 681899, 1363798, 2045697, 3409495, 4091394, 6818990, 10228485, 20456970]

約数ペア:

[(1, 20456970), (2, 10228485), (3, 6818990), (5, 4091394), (6, 3409495), (10, 2045697), (15, 1363798), (30, 681899)]