20178098

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1061}}^1$

素因数の和:1357

約数の個数: 16

約数和(自身を含む): 31235544

約数和(自身を除く): 11057446

約数列:

[1, 2, 37, 74, 257, 514, 1061, 2122, 9509, 19018, 39257, 78514, 272677, 545354, 10089049, 20178098]

約数ペア:

[(1, 20178098), (2, 10089049), (37, 545354), (74, 272677), (257, 78514), (514, 39257), (1061, 19018), (2122, 9509)]