20132540

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2293}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 42393120

約数和(自身を除く): 22260580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 2293, 4390, 4586, 8780, 9172, 11465, 22930, 45860, 1006627, 2013254, 4026508, 5033135, 10066270, 20132540]

約数ペア:

[(1, 20132540), (2, 10066270), (4, 5033135), (5, 4026508), (10, 2013254), (20, 1006627), (439, 45860), (878, 22930), (1756, 11465), (2195, 9172), (2293, 8780), (4390, 4586)]