20845077

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 32607360

約数和(自身を除く): 11762283

約数列:

[1, 3, 11, 17, 33, 51, 73, 187, 219, 509, 561, 803, 1241, 1527, 2409, 3723, 5599, 8653, 13651, 16797, 25959, 37157, 40953, 95183, 111471, 285549, 408727, 631669, 1226181, 1895007, 6948359, 20845077]

約数ペア:

[(1, 20845077), (3, 6948359), (11, 1895007), (17, 1226181), (33, 631669), (51, 408727), (73, 285549), (187, 111471), (219, 95183), (509, 40953), (561, 37157), (803, 25959), (1241, 16797), (1527, 13651), (2409, 8653), (3723, 5599)]