20647068

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10181}}^1$

素因数の和:10214

約数の個数: 36

約数和(自身を含む): 52172568

約数和(自身を除く): 31525500

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10181, 20362, 30543, 40724, 61086, 122172, 132353, 264706, 397059, 529412, 794118, 1588236, 1720589, 3441178, 5161767, 6882356, 10323534, 20647068]

約数ペア:

[(1, 20647068), (2, 10323534), (3, 6882356), (4, 5161767), (6, 3441178), (12, 1720589), (13, 1588236), (26, 794118), (39, 529412), (52, 397059), (78, 264706), (156, 132353), (169, 122172), (338, 61086), (507, 40724), (676, 30543), (1014, 20362), (2028, 10181)]