20142837

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 80

約数和(自身を含む): 37078272

約数和(自身を除く): 16935435

約数列:

[1, 3, 9, 11, 13, 27, 33, 37, 39, 47, 81, 99, 111, 117, 141, 143, 297, 333, 351, 407, 423, 429, 481, 517, 611, 891, 999, 1053, 1221, 1269, 1287, 1443, 1551, 1739, 1833, 2997, 3663, 3807, 3861, 4329, 4653, 5217, 5291, 5499, 6721, 10989, 11583, 12987, 13959, 15651, 15873, 16497, 19129, 20163, 22607, 32967, 38961, 41877, 46953, 47619, 49491, 57387, 60489, 67821, 140859, 142857, 172161, 181467, 203463, 248677, 428571, 516483, 544401, 610389, 746031, 1549449, 1831167, 2238093, 6714279, 20142837]

約数ペア:

[(1, 20142837), (3, 6714279), (9, 2238093), (11, 1831167), (13, 1549449), (27, 746031), (33, 610389), (37, 544401), (39, 516483), (47, 428571), (81, 248677), (99, 203463), (111, 181467), (117, 172161), (141, 142857), (143, 140859), (297, 67821), (333, 60489), (351, 57387), (407, 49491), (423, 47619), (429, 46953), (481, 41877), (517, 38961), (611, 32967), (891, 22607), (999, 20163), (1053, 19129), (1221, 16497), (1269, 15873), (1287, 15651), (1443, 13959), (1551, 12987), (1739, 11583), (1833, 10989), (2997, 6721), (3663, 5499), (3807, 5291), (3861, 5217), (4329, 4653)]