20219882644

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29911069}}^1$

素因数の和:29911099

約数の個数: 18

約数和(自身を含む): 38316080670

約数和(自身を除く): 18096198026

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 29911069, 59822138, 119644276, 388843897, 777687794, 1555375588, 5054970661, 10109941322, 20219882644]

約数ペア:

[(1, 20219882644), (2, 10109941322), (4, 5054970661), (13, 1555375588), (26, 777687794), (52, 388843897), (169, 119644276), (338, 59822138), (676, 29911069)]