20419528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{134339}}^1$

素因数の和:134364

約数の個数: 16

約数和(自身を含む): 40302000

約数和(自身を除く): 19882472

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 134339, 268678, 537356, 1074712, 2552441, 5104882, 10209764, 20419528]

約数ペア:

[(1, 20419528), (2, 10209764), (4, 5104882), (8, 2552441), (19, 1074712), (38, 537356), (76, 268678), (152, 134339)]