20163397264

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{11527}}^1$

素因数の和:11720

約数の個数: 80

約数和(自身を含む): 42455318400

約数和(自身を除く): 22291921136

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 109, 118, 136, 218, 236, 272, 436, 472, 872, 944, 1003, 1744, 1853, 2006, 3706, 4012, 6431, 7412, 8024, 11527, 12862, 14824, 16048, 23054, 25724, 29648, 46108, 51448, 92216, 102896, 109327, 184432, 195959, 218654, 391918, 437308, 680093, 783836, 874616, 1256443, 1360186, 1567672, 1749232, 2512886, 2720372, 3135344, 5025772, 5440744, 10051544, 10881488, 11561581, 20103088, 21359531, 23123162, 42719062, 46246324, 74130137, 85438124, 92492648, 148260274, 170876248, 184985296, 296520548, 341752496, 593041096, 1186082192, 1260212329, 2520424658, 5040849316, 10081698632, 20163397264]

約数ペア:

[(1, 20163397264), (2, 10081698632), (4, 5040849316), (8, 2520424658), (16, 1260212329), (17, 1186082192), (34, 593041096), (59, 341752496), (68, 296520548), (109, 184985296), (118, 170876248), (136, 148260274), (218, 92492648), (236, 85438124), (272, 74130137), (436, 46246324), (472, 42719062), (872, 23123162), (944, 21359531), (1003, 20103088), (1744, 11561581), (1853, 10881488), (2006, 10051544), (3706, 5440744), (4012, 5025772), (6431, 3135344), (7412, 2720372), (8024, 2512886), (11527, 1749232), (12862, 1567672), (14824, 1360186), (16048, 1256443), (23054, 874616), (25724, 783836), (29648, 680093), (46108, 437308), (51448, 391918), (92216, 218654), (102896, 195959), (109327, 184432)]