13740620

素因数分解:

$2^2\times 5^1\times {\mathrm{687031}}^1$

素因数の和:687040

約数の個数: 12

約数和(自身を含む): 28855344

約数和(自身を除く): 15114724

約数列:

[1, 2, 4, 5, 10, 20, 687031, 1374062, 2748124, 3435155, 6870310, 13740620]

約数ペア:

[(1, 13740620), (2, 6870310), (4, 3435155), (5, 2748124), (10, 1374062), (20, 687031)]