20189638

素因数分解:

$2^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{2087}}^1$

素因数の和:2787

約数の個数: 16

約数和(自身を含む): 34677504

約数和(自身を除く): 14487866

約数列:

[1, 2, 7, 14, 691, 1382, 2087, 4174, 4837, 9674, 14609, 29218, 1442117, 2884234, 10094819, 20189638]

約数ペア:

[(1, 20189638), (2, 10094819), (7, 2884234), (14, 1442117), (691, 29218), (1382, 14609), (2087, 9674), (4174, 4837)]