20321735

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30559}}^1$

素因数の和:30590

約数の個数: 16

約数和(自身を含む): 29337600

約数和(自身を除く): 9015865

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30559, 152795, 213913, 580621, 1069565, 2903105, 4064347, 20321735]

約数ペア:

[(1, 20321735), (5, 4064347), (7, 2903105), (19, 1069565), (35, 580621), (95, 213913), (133, 152795), (665, 30559)]