20388074

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63317}}^1$

素因数の和:63349

約数の個数: 16

約数和(自身を含む): 36471168

約数和(自身を除く): 16083094

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 63317, 126634, 443219, 886438, 1456291, 2912582, 10194037, 20388074]

約数ペア:

[(1, 20388074), (2, 10194037), (7, 2912582), (14, 1456291), (23, 886438), (46, 443219), (161, 126634), (322, 63317)]