20866351969

素因数分解:

${\mathrm{19}}^2\times {\mathrm{881}}^1\times {\mathrm{65609}}^1$

素因数の和:66528

約数の個数: 12

約数和(自身を含む): 22047715620

約数和(自身を除く): 1181363651

約数列:

[1, 19, 361, 881, 16739, 65609, 318041, 1246571, 23684849, 57801529, 1098229051, 20866351969]

約数ペア:

[(1, 20866351969), (19, 1098229051), (361, 57801529), (881, 23684849), (16739, 1246571), (65609, 318041)]