20764836

素因数分解:

$2^2\times 3^6\times {\mathrm{7121}}^1$

素因数の和:7143

約数の個数: 42

約数和(自身を含む): 54490422

約数和(自身を除く): 33725586

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 7121, 14242, 21363, 28484, 42726, 64089, 85452, 128178, 192267, 256356, 384534, 576801, 769068, 1153602, 1730403, 2307204, 3460806, 5191209, 6921612, 10382418, 20764836]

約数ペア:

[(1, 20764836), (2, 10382418), (3, 6921612), (4, 5191209), (6, 3460806), (9, 2307204), (12, 1730403), (18, 1153602), (27, 769068), (36, 576801), (54, 384534), (81, 256356), (108, 192267), (162, 128178), (243, 85452), (324, 64089), (486, 42726), (729, 28484), (972, 21363), (1458, 14242), (2916, 7121)]