20051479

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1409}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 24364800

約数和(自身を除く): 4313321

約数列:

[1, 7, 19, 107, 133, 749, 1409, 2033, 9863, 14231, 26771, 150763, 187397, 1055341, 2864497, 20051479]

約数ペア:

[(1, 20051479), (7, 2864497), (19, 1055341), (107, 187397), (133, 150763), (749, 26771), (1409, 14231), (2033, 9863)]