20011143

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{409}}^1$

素因数の和:806

約数の個数: 16

約数和(自身を含む): 27394560

約数和(自身を除く): 7383417

約数列:

[1, 3, 47, 141, 347, 409, 1041, 1227, 16309, 19223, 48927, 57669, 141923, 425769, 6670381, 20011143]

約数ペア:

[(1, 20011143), (3, 6670381), (47, 425769), (141, 141923), (347, 57669), (409, 48927), (1041, 19223), (1227, 16309)]