20253387

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2039}}^1$

素因数の和:2103

約数の個数: 32

約数和(自身を含む): 34467840

約数和(自身を除く): 14214453

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 2039, 3311, 6117, 9933, 14273, 22429, 42819, 67287, 87677, 157003, 263031, 471009, 613739, 964447, 1841217, 2893341, 6751129, 20253387]

約数ペア:

[(1, 20253387), (3, 6751129), (7, 2893341), (11, 1841217), (21, 964447), (33, 613739), (43, 471009), (77, 263031), (129, 157003), (231, 87677), (301, 67287), (473, 42819), (903, 22429), (1419, 14273), (2039, 9933), (3311, 6117)]