20740412

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67339}}^1$

素因数の和:67361

約数の個数: 24

約数和(自身を含む): 45252480

約数和(自身を除く): 24512068

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67339, 134678, 269356, 471373, 740729, 942746, 1481458, 1885492, 2962916, 5185103, 10370206, 20740412]

約数ペア:

[(1, 20740412), (2, 10370206), (4, 5185103), (7, 2962916), (11, 1885492), (14, 1481458), (22, 942746), (28, 740729), (44, 471373), (77, 269356), (154, 134678), (308, 67339)]