20979315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{66601}}^1$

素因数の和:66619

約数の個数: 24

約数和(自身を含む): 41559648

約数和(自身を除く): 20580333

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 66601, 199803, 333005, 466207, 599409, 999015, 1398621, 2331035, 2997045, 4195863, 6993105, 20979315]

約数ペア:

[(1, 20979315), (3, 6993105), (5, 4195863), (7, 2997045), (9, 2331035), (15, 1398621), (21, 999015), (35, 599409), (45, 466207), (63, 333005), (105, 199803), (315, 66601)]