20147001

素因数分解:

$3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3733}}^1$

素因数の和:4000

約数の個数: 16

約数和(自身を含む): 30827904

約数和(自身を除く): 10680903

約数列:

[1, 3, 7, 21, 257, 771, 1799, 3733, 5397, 11199, 26131, 78393, 959381, 2878143, 6715667, 20147001]

約数ペア:

[(1, 20147001), (3, 6715667), (7, 2878143), (21, 959381), (257, 78393), (771, 26131), (1799, 11199), (3733, 5397)]