20860203

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1777}}^1$

素因数の和:1843

約数の個数: 32

約数和(自身を含む): 35047936

約数和(自身を除く): 14187733

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 1777, 3913, 5331, 11739, 12439, 23101, 37317, 69303, 76411, 161707, 229233, 485121, 534877, 993343, 1604631, 2980029, 6953401, 20860203]

約数ペア:

[(1, 20860203), (3, 6953401), (7, 2980029), (13, 1604631), (21, 993343), (39, 534877), (43, 485121), (91, 229233), (129, 161707), (273, 76411), (301, 69303), (559, 37317), (903, 23101), (1677, 12439), (1777, 11739), (3913, 5331)]