20161121155

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25044871}}^1$

素因数の和:25044906

約数の個数: 16

約数和(自身を含む): 28851692544

約数和(自身を除く): 8690571389

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 25044871, 125224355, 175314097, 576032033, 876570485, 2880160165, 4032224231, 20161121155]

約数ペア:

[(1, 20161121155), (5, 4032224231), (7, 2880160165), (23, 876570485), (35, 576032033), (115, 175314097), (161, 125224355), (805, 25044871)]