20216351907

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{34781}}^1$

素因数の和:34964

約数の個数: 48

約数和(自身を含む): 32230392480

約数和(自身を除く): 12014040573

約数列:

[1, 3, 9, 17, 29, 51, 87, 131, 153, 261, 393, 493, 1179, 1479, 2227, 3799, 4437, 6681, 11397, 20043, 34191, 34781, 64583, 104343, 193749, 313029, 581247, 591277, 1008649, 1773831, 3025947, 4556311, 5321493, 9077841, 13668933, 17147033, 41006799, 51441099, 77457287, 132133019, 154323297, 232371861, 396399057, 697115583, 1189197171, 2246261323, 6738783969, 20216351907]

約数ペア:

[(1, 20216351907), (3, 6738783969), (9, 2246261323), (17, 1189197171), (29, 697115583), (51, 396399057), (87, 232371861), (131, 154323297), (153, 132133019), (261, 77457287), (393, 51441099), (493, 41006799), (1179, 17147033), (1479, 13668933), (2227, 9077841), (3799, 5321493), (4437, 4556311), (6681, 3025947), (11397, 1773831), (20043, 1008649), (34191, 591277), (34781, 581247), (64583, 313029), (104343, 193749)]