20121054021

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{20707}}^1$

素因数の和:20835

約数の個数: 64

約数和(自身を含む): 33099667200

約数和(自身を除く): 12978613179

約数列:

[1, 3, 9, 17, 27, 29, 51, 73, 87, 153, 219, 261, 459, 493, 657, 783, 1241, 1479, 1971, 2117, 3723, 4437, 6351, 11169, 13311, 19053, 20707, 33507, 35989, 57159, 62121, 107967, 186363, 323901, 352019, 559089, 600503, 971703, 1056057, 1511611, 1801509, 3168171, 4534833, 5404527, 9504513, 10208551, 13604499, 16213581, 25697387, 30625653, 40813497, 43836719, 77092161, 91876959, 131510157, 231276483, 275630877, 394530471, 693829449, 745224223, 1183591413, 2235672669, 6707018007, 20121054021]

約数ペア:

[(1, 20121054021), (3, 6707018007), (9, 2235672669), (17, 1183591413), (27, 745224223), (29, 693829449), (51, 394530471), (73, 275630877), (87, 231276483), (153, 131510157), (219, 91876959), (261, 77092161), (459, 43836719), (493, 40813497), (657, 30625653), (783, 25697387), (1241, 16213581), (1479, 13604499), (1971, 10208551), (2117, 9504513), (3723, 5404527), (4437, 4534833), (6351, 3168171), (11169, 1801509), (13311, 1511611), (19053, 1056057), (20707, 971703), (33507, 600503), (35989, 559089), (57159, 352019), (62121, 323901), (107967, 186363)]