20512125218

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{60686761}}^1$

素因数の和:60686789

約数の個数: 12

約数和(自身を含む): 33317032338

約数和(自身を除く): 12804907120

約数列:

[1, 2, 13, 26, 169, 338, 60686761, 121373522, 788927893, 1577855786, 10256062609, 20512125218]

約数ペア:

[(1, 20512125218), (2, 10256062609), (13, 1577855786), (26, 788927893), (169, 121373522), (338, 60686761)]