20408970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{680299}}^1$

素因数の和:680309

約数の個数: 16

約数和(自身を含む): 48981600

約数和(自身を除く): 28572630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 680299, 1360598, 2040897, 3401495, 4081794, 6802990, 10204485, 20408970]

約数ペア:

[(1, 20408970), (2, 10204485), (3, 6802990), (5, 4081794), (6, 3401495), (10, 2040897), (15, 1360598), (30, 680299)]