20120457861

素因数分解:

$3^3\times 7^3\times {\mathrm{193}}^1\times {\mathrm{11257}}^1$

素因数の和:11480

約数の個数: 64

約数和(自身を含む): 34944832000

約数和(自身を除く): 14824374139

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 193, 343, 441, 579, 1029, 1323, 1351, 1737, 3087, 4053, 5211, 9261, 9457, 11257, 12159, 28371, 33771, 36477, 66199, 78799, 85113, 101313, 198597, 236397, 255339, 303939, 551593, 595791, 709191, 1654779, 1787373, 2127573, 2172601, 3861151, 4964337, 6517803, 11583453, 14893011, 15208207, 19553409, 34750359, 45624621, 58660227, 104251077, 106457449, 136873863, 319372347, 410621589, 745202143, 958117041, 2235606429, 2874351123, 6706819287, 20120457861]

約数ペア:

[(1, 20120457861), (3, 6706819287), (7, 2874351123), (9, 2235606429), (21, 958117041), (27, 745202143), (49, 410621589), (63, 319372347), (147, 136873863), (189, 106457449), (193, 104251077), (343, 58660227), (441, 45624621), (579, 34750359), (1029, 19553409), (1323, 15208207), (1351, 14893011), (1737, 11583453), (3087, 6517803), (4053, 4964337), (5211, 3861151), (9261, 2172601), (9457, 2127573), (11257, 1787373), (12159, 1654779), (28371, 709191), (33771, 595791), (36477, 551593), (66199, 303939), (78799, 255339), (85113, 236397), (101313, 198597)]