20178718

素因数分解:

$2^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{3803}}^1$

素因数の和:4191

約数の個数: 16

約数和(自身を含む): 34692480

約数和(自身を除く): 14513762

約数列:

[1, 2, 7, 14, 379, 758, 2653, 3803, 5306, 7606, 26621, 53242, 1441337, 2882674, 10089359, 20178718]

約数ペア:

[(1, 20178718), (2, 10089359), (7, 2882674), (14, 1441337), (379, 53242), (758, 26621), (2653, 7606), (3803, 5306)]