20409052

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{3727}}^1$

素因数の和:3805

約数の個数: 18

約数和(自身を含む): 36717072

約数和(自身を除く): 16308020

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 3727, 5476, 7454, 14908, 137899, 275798, 551596, 5102263, 10204526, 20409052]

約数ペア:

[(1, 20409052), (2, 10204526), (4, 5102263), (37, 551596), (74, 275798), (148, 137899), (1369, 14908), (2738, 7454), (3727, 5476)]