20359149

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{647}}^1$

素因数の和:1284

約数の個数: 16

約数和(自身を含む): 28833408

約数和(自身を除く): 8474259

約数列:

[1, 3, 17, 51, 617, 647, 1851, 1941, 10489, 10999, 31467, 32997, 399199, 1197597, 6786383, 20359149]

約数ペア:

[(1, 20359149), (3, 6786383), (17, 1197597), (51, 399199), (617, 32997), (647, 31467), (1851, 10999), (1941, 10489)]