20149196452

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{35381}}^1$

素因数の和:35489

約数の個数: 72

約数和(自身を含む): 45009300672

約数和(自身を除く): 24860104220

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 154, 172, 301, 308, 473, 602, 946, 1204, 1849, 1892, 3311, 3698, 6622, 7396, 12943, 13244, 20339, 25886, 35381, 40678, 51772, 70762, 81356, 141524, 142373, 247667, 284746, 389191, 495334, 569492, 778382, 990668, 1521383, 1556764, 2724337, 3042766, 5448674, 6085532, 10649681, 10897348, 16735213, 21299362, 33470426, 42598724, 65419469, 66940852, 117146491, 130838938, 234292982, 261677876, 457936283, 468585964, 719614159, 915872566, 1439228318, 1831745132, 2878456636, 5037299113, 10074598226, 20149196452]

約数ペア:

[(1, 20149196452), (2, 10074598226), (4, 5037299113), (7, 2878456636), (11, 1831745132), (14, 1439228318), (22, 915872566), (28, 719614159), (43, 468585964), (44, 457936283), (77, 261677876), (86, 234292982), (154, 130838938), (172, 117146491), (301, 66940852), (308, 65419469), (473, 42598724), (602, 33470426), (946, 21299362), (1204, 16735213), (1849, 10897348), (1892, 10649681), (3311, 6085532), (3698, 5448674), (6622, 3042766), (7396, 2724337), (12943, 1556764), (13244, 1521383), (20339, 990668), (25886, 778382), (35381, 569492), (40678, 495334), (51772, 389191), (70762, 284746), (81356, 247667), (141524, 142373)]