20085891

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56263}}^1$

素因数の和:56290

約数の個数: 16

約数和(自身を含む): 32408064

約数和(自身を除く): 12322173

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56263, 168789, 393841, 956471, 1181523, 2869413, 6695297, 20085891]

約数ペア:

[(1, 20085891), (3, 6695297), (7, 2869413), (17, 1181523), (21, 956471), (51, 393841), (119, 168789), (357, 56263)]