20201591045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{11243}}^1\times {\mathrm{21139}}^1$

素因数の和:32404

約数の個数: 16

約数和(自身を含む): 25671401280

約数和(自身を除く): 5469810235

約数列:

[1, 5, 17, 85, 11243, 21139, 56215, 105695, 191131, 359363, 955655, 1796815, 237665777, 1188328885, 4040318209, 20201591045]

約数ペア:

[(1, 20201591045), (5, 4040318209), (17, 1188328885), (85, 237665777), (11243, 1796815), (21139, 955655), (56215, 359363), (105695, 191131)]