20089870910

素因数分解:

$2^1\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{1349219}}^1$

素因数の和:1350715

約数の個数: 16

約数和(自身を含む): 36186080400

約数和(自身を除く): 16096209490

約数列:

[1, 2, 5, 10, 1489, 2978, 7445, 14890, 1349219, 2698438, 6746095, 13492190, 2008987091, 4017974182, 10044935455, 20089870910]

約数ペア:

[(1, 20089870910), (2, 10044935455), (5, 4017974182), (10, 2008987091), (1489, 13492190), (2978, 6746095), (7445, 2698438), (14890, 1349219)]