20268136

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 46886400

約数和(自身を除く): 26618264

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 43, 56, 76, 86, 133, 152, 172, 266, 301, 344, 443, 532, 602, 817, 886, 1064, 1204, 1634, 1772, 2408, 3101, 3268, 3544, 5719, 6202, 6536, 8417, 11438, 12404, 16834, 19049, 22876, 24808, 33668, 38098, 45752, 58919, 67336, 76196, 117838, 133343, 152392, 235676, 266686, 361931, 471352, 533372, 723862, 1066744, 1447724, 2533517, 2895448, 5067034, 10134068, 20268136]

約数ペア:

[(1, 20268136), (2, 10134068), (4, 5067034), (7, 2895448), (8, 2533517), (14, 1447724), (19, 1066744), (28, 723862), (38, 533372), (43, 471352), (56, 361931), (76, 266686), (86, 235676), (133, 152392), (152, 133343), (172, 117838), (266, 76196), (301, 67336), (344, 58919), (443, 45752), (532, 38098), (602, 33668), (817, 24808), (886, 22876), (1064, 19049), (1204, 16834), (1634, 12404), (1772, 11438), (2408, 8417), (3101, 6536), (3268, 6202), (3544, 5719)]