20176296820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10400153}}^1$

素因数の和:10400259

約数の個数: 24

約数和(自身を含む): 42807033864

約数和(自身を除く): 22630737044

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 10400153, 20800306, 41600612, 52000765, 104001530, 208003060, 1008814841, 2017629682, 4035259364, 5044074205, 10088148410, 20176296820]

約数ペア:

[(1, 20176296820), (2, 10088148410), (4, 5044074205), (5, 4035259364), (10, 2017629682), (20, 1008814841), (97, 208003060), (194, 104001530), (388, 52000765), (485, 41600612), (970, 20800306), (1940, 10400153)]