20497672

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15161}}^1$

素因数の和:15193

約数の個数: 24

約数和(自身を含む): 41619690

約数和(自身を除く): 21122018

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15161, 30322, 60644, 121288, 197093, 394186, 788372, 1576744, 2562209, 5124418, 10248836, 20497672]

約数ペア:

[(1, 20497672), (2, 10248836), (4, 5124418), (8, 2562209), (13, 1576744), (26, 788372), (52, 394186), (104, 197093), (169, 121288), (338, 60644), (676, 30322), (1352, 15161)]