20154895629

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{757}}^1$

素因数の和:1490

約数の個数: 64

約数和(自身を含む): 31121418240

約数和(自身を除く): 10966522611

約数列:

[1, 3, 11, 29, 33, 43, 87, 129, 319, 473, 647, 757, 957, 1247, 1419, 1941, 2271, 3741, 7117, 8327, 13717, 18763, 21351, 21953, 24981, 27821, 32551, 41151, 56289, 65859, 83463, 97653, 206393, 241483, 306031, 358061, 489779, 619179, 724449, 806809, 918093, 943979, 1074183, 1469337, 2420427, 2831937, 5387569, 8874899, 10383769, 14203591, 16162707, 21060497, 26624697, 31151307, 42610773, 63181491, 156239501, 231665467, 468718503, 610754413, 694996401, 1832263239, 6718298543, 20154895629]

約数ペア:

[(1, 20154895629), (3, 6718298543), (11, 1832263239), (29, 694996401), (33, 610754413), (43, 468718503), (87, 231665467), (129, 156239501), (319, 63181491), (473, 42610773), (647, 31151307), (757, 26624697), (957, 21060497), (1247, 16162707), (1419, 14203591), (1941, 10383769), (2271, 8874899), (3741, 5387569), (7117, 2831937), (8327, 2420427), (13717, 1469337), (18763, 1074183), (21351, 943979), (21953, 918093), (24981, 806809), (27821, 724449), (32551, 619179), (41151, 489779), (56289, 358061), (65859, 306031), (83463, 241483), (97653, 206393)]