20804030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{160031}}^1$

素因数の和:160051

約数の個数: 16

約数和(自身を含む): 40328064

約数和(自身を除く): 19524034

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 160031, 320062, 800155, 1600310, 2080403, 4160806, 10402015, 20804030]

約数ペア:

[(1, 20804030), (2, 10402015), (5, 4160806), (10, 2080403), (13, 1600310), (26, 800155), (65, 320062), (130, 160031)]