20624989441

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{20441}}^1$

素因数の和:20665

約数の個数: 32

約数和(自身を含む): 25550864640

約数和(自身を除く): 4925875199

約数列:

[1, 7, 17, 61, 119, 139, 427, 973, 1037, 2363, 7259, 8479, 16541, 20441, 59353, 143087, 144143, 347497, 1009001, 1246901, 2432479, 2841299, 8728307, 19889093, 21197317, 48302083, 148381219, 173319239, 338114581, 1213234673, 2946427063, 20624989441]

約数ペア:

[(1, 20624989441), (7, 2946427063), (17, 1213234673), (61, 338114581), (119, 173319239), (139, 148381219), (427, 48302083), (973, 21197317), (1037, 19889093), (2363, 8728307), (7259, 2841299), (8479, 2432479), (16541, 1246901), (20441, 1009001), (59353, 347497), (143087, 144143)]