20410999

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 25485840

約数和(自身を除く): 5074841

約数列:

[1, 7, 17, 49, 107, 119, 229, 749, 833, 1603, 1819, 3893, 5243, 11221, 12733, 24503, 27251, 89131, 171521, 190757, 416551, 1200647, 2915857, 20410999]

約数ペア:

[(1, 20410999), (7, 2915857), (17, 1200647), (49, 416551), (107, 190757), (119, 171521), (229, 89131), (749, 27251), (833, 24503), (1603, 12733), (1819, 11221), (3893, 5243)]