20996896312

素因数分解:

$2^3\times 7^2\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{2129}}^1$

素因数の和:2469

約数の個数: 96

約数和(自身を含む): 46402902000

約数和(自身を除く): 25406005688

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 139, 181, 196, 278, 362, 392, 556, 724, 973, 1112, 1267, 1448, 1946, 2129, 2534, 3892, 4258, 5068, 6811, 7784, 8516, 8869, 10136, 13622, 14903, 17032, 17738, 25159, 27244, 29806, 35476, 50318, 54488, 59612, 70952, 100636, 104321, 119224, 176113, 201272, 208642, 295931, 352226, 385349, 417284, 591862, 704452, 770698, 834568, 1183724, 1232791, 1408904, 1541396, 2071517, 2367448, 2465582, 2697443, 3082792, 4143034, 4931164, 5394886, 8286068, 9862328, 10789772, 14500619, 16572136, 18882101, 21579544, 29001238, 37764202, 53563511, 58002476, 75528404, 107127022, 116004952, 151056808, 214254044, 374944577, 428508088, 749889154, 1499778308, 2624612039, 2999556616, 5249224078, 10498448156, 20996896312]

約数ペア:

[(1, 20996896312), (2, 10498448156), (4, 5249224078), (7, 2999556616), (8, 2624612039), (14, 1499778308), (28, 749889154), (49, 428508088), (56, 374944577), (98, 214254044), (139, 151056808), (181, 116004952), (196, 107127022), (278, 75528404), (362, 58002476), (392, 53563511), (556, 37764202), (724, 29001238), (973, 21579544), (1112, 18882101), (1267, 16572136), (1448, 14500619), (1946, 10789772), (2129, 9862328), (2534, 8286068), (3892, 5394886), (4258, 4931164), (5068, 4143034), (6811, 3082792), (7784, 2697443), (8516, 2465582), (8869, 2367448), (10136, 2071517), (13622, 1541396), (14903, 1408904), (17032, 1232791), (17738, 1183724), (25159, 834568), (27244, 770698), (29806, 704452), (35476, 591862), (50318, 417284), (54488, 385349), (59612, 352226), (70952, 295931), (100636, 208642), (104321, 201272), (119224, 176113)]