20856572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{5711}}^1$

素因数の和:5809

約数の個数: 24

約数和(自身を含む): 40303872

約数和(自身を除く): 19447300

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 332, 913, 1826, 3652, 5711, 11422, 22844, 62821, 125642, 251284, 474013, 948026, 1896052, 5214143, 10428286, 20856572]

約数ペア:

[(1, 20856572), (2, 10428286), (4, 5214143), (11, 1896052), (22, 948026), (44, 474013), (83, 251284), (166, 125642), (332, 62821), (913, 22844), (1826, 11422), (3652, 5711)]