20674916

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1693}}^1$

素因数の和:1811

約数の個数: 24

約数和(自身を含む): 37566144

約数和(自身を除く): 16891228

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 284, 1693, 3053, 3386, 6106, 6772, 12212, 72799, 120203, 145598, 240406, 291196, 480812, 5168729, 10337458, 20674916]

約数ペア:

[(1, 20674916), (2, 10337458), (4, 5168729), (43, 480812), (71, 291196), (86, 240406), (142, 145598), (172, 120203), (284, 72799), (1693, 12212), (3053, 6772), (3386, 6106)]