20178507921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47036149}}^1$

素因数の和:47036176

約数の個数: 16

約数和(自身を含む): 31608292800

約数和(自身を除く): 11429784879

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47036149, 141108447, 517397639, 611469937, 1552192917, 1834409811, 6726169307, 20178507921]

約数ペア:

[(1, 20178507921), (3, 6726169307), (11, 1834409811), (13, 1552192917), (33, 611469937), (39, 517397639), (143, 141108447), (429, 47036149)]