20055931

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2897}}^1$

素因数の和:2970

約数の個数: 16

約数和(自身を含む): 24482304

約数和(自身を除く): 4426373

約数列:

[1, 7, 23, 43, 161, 301, 989, 2897, 6923, 20279, 66631, 124571, 466417, 871997, 2865133, 20055931]

約数ペア:

[(1, 20055931), (7, 2865133), (23, 871997), (43, 466417), (161, 124571), (301, 66631), (989, 20279), (2897, 6923)]