20109558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{919}}^1$

素因数の和:1452

約数の個数: 32

約数和(自身を含む): 46103040

約数和(自身を除く): 25993482

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 521, 919, 1042, 1563, 1838, 2757, 3126, 3647, 5514, 6433, 7294, 10941, 12866, 19299, 21882, 38598, 478799, 957598, 1436397, 2872794, 3351593, 6703186, 10054779, 20109558]

約数ペア:

[(1, 20109558), (2, 10054779), (3, 6703186), (6, 3351593), (7, 2872794), (14, 1436397), (21, 957598), (42, 478799), (521, 38598), (919, 21882), (1042, 19299), (1563, 12866), (1838, 10941), (2757, 7294), (3126, 6433), (3647, 5514)]