12156220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{20959}}^1$

素因数の和:20997

約数の個数: 24

約数和(自身を含む): 26409600

約数和(自身を除く): 14253380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 20959, 41918, 83836, 104795, 209590, 419180, 607811, 1215622, 2431244, 3039055, 6078110, 12156220]

約数ペア:

[(1, 12156220), (2, 6078110), (4, 3039055), (5, 2431244), (10, 1215622), (20, 607811), (29, 419180), (58, 209590), (116, 104795), (145, 83836), (290, 41918), (580, 20959)]