20025929

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{919}}^1$

素因数の和:1220

約数の個数: 16

約数和(自身を含む): 25082880

約数和(自身を除く): 5056951

約数列:

[1, 7, 11, 77, 283, 919, 1981, 3113, 6433, 10109, 21791, 70763, 260077, 1820539, 2860847, 20025929]

約数ペア:

[(1, 20025929), (7, 2860847), (11, 1820539), (77, 260077), (283, 70763), (919, 21791), (1981, 10109), (3113, 6433)]