20406678

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{47903}}^1$

素因数の和:47979

約数の個数: 16

約数和(自身を含む): 41389056

約数和(自身を除く): 20982378

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 47903, 95806, 143709, 287418, 3401113, 6802226, 10203339, 20406678]

約数ペア:

[(1, 20406678), (2, 10203339), (3, 6802226), (6, 3401113), (71, 287418), (142, 143709), (213, 95806), (426, 47903)]