20808814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{1237}}^1$

素因数の和:1899

約数の個数: 16

約数和(自身を含む): 33693408

約数和(自身を除く): 12884594

約数列:

[1, 2, 13, 26, 647, 1237, 1294, 2474, 8411, 16081, 16822, 32162, 800339, 1600678, 10404407, 20808814]

約数ペア:

[(1, 20808814), (2, 10404407), (13, 1600678), (26, 800339), (647, 32162), (1237, 16822), (1294, 16081), (2474, 8411)]