20805566684

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17280371}}^1$

素因数の和:17280425

約数の個数: 24

約数和(自身を含む): 42578836608

約数和(自身を除く): 21773269924

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17280371, 34560742, 69121484, 120962597, 241925194, 483850388, 743055953, 1486111906, 2972223812, 5201391671, 10402783342, 20805566684]

約数ペア:

[(1, 20805566684), (2, 10402783342), (4, 5201391671), (7, 2972223812), (14, 1486111906), (28, 743055953), (43, 483850388), (86, 241925194), (172, 120962597), (301, 69121484), (602, 34560742), (1204, 17280371)]