20157367539

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{653}}^1\times {\mathrm{1607}}^1$

素因数の和:2619

約数の個数: 32

約数和(自身を含む): 28436129280

約数和(自身を除く): 8278761741

約数列:

[1, 3, 19, 57, 337, 653, 1011, 1607, 1959, 4821, 6403, 12407, 19209, 30533, 37221, 91599, 220061, 541559, 660183, 1049371, 1624677, 3148113, 4181159, 10289621, 12543477, 19938049, 30868863, 59814147, 353638027, 1060914081, 6719122513, 20157367539]

約数ペア:

[(1, 20157367539), (3, 6719122513), (19, 1060914081), (57, 353638027), (337, 59814147), (653, 30868863), (1011, 19938049), (1607, 12543477), (1959, 10289621), (4821, 4181159), (6403, 3148113), (12407, 1624677), (19209, 1049371), (30533, 660183), (37221, 541559), (91599, 220061)]