20418393

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1$

素因数の和:704

約数の個数: 16

約数和(自身を含む): 27789696

約数和(自身を除く): 7371303

約数列:

[1, 3, 71, 213, 257, 373, 771, 1119, 18247, 26483, 54741, 79449, 95861, 287583, 6806131, 20418393]

約数ペア:

[(1, 20418393), (3, 6806131), (71, 287583), (213, 95861), (257, 79449), (373, 54741), (771, 26483), (1119, 18247)]