20440629

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 34504704

約数和(自身を除く): 14064075

約数列:

[1, 3, 9, 11, 23, 33, 47, 69, 99, 141, 191, 207, 253, 423, 517, 573, 759, 1081, 1551, 1719, 2101, 2277, 3243, 4393, 4653, 6303, 8977, 9729, 11891, 13179, 18909, 26931, 35673, 39537, 48323, 80793, 98747, 107019, 144969, 206471, 296241, 434907, 619413, 888723, 1858239, 2271181, 6813543, 20440629]

約数ペア:

[(1, 20440629), (3, 6813543), (9, 2271181), (11, 1858239), (23, 888723), (33, 619413), (47, 434907), (69, 296241), (99, 206471), (141, 144969), (191, 107019), (207, 98747), (253, 80793), (423, 48323), (517, 39537), (573, 35673), (759, 26931), (1081, 18909), (1551, 13179), (1719, 11891), (2101, 9729), (2277, 8977), (3243, 6303), (4393, 4653)]