20166100

素因数分解:

$2^2\times 5^2\times {\mathrm{201661}}^1$

素因数の和:201675

約数の個数: 18

約数和(自身を含む): 43760654

約数和(自身を除く): 23594554

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201661, 403322, 806644, 1008305, 2016610, 4033220, 5041525, 10083050, 20166100]

約数ペア:

[(1, 20166100), (2, 10083050), (4, 5041525), (5, 4033220), (10, 2016610), (20, 1008305), (25, 806644), (50, 403322), (100, 201661)]