20210020432

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1\times {\mathrm{7717}}^1$

素因数の和:8148

約数の個数: 80

約数和(自身を含む): 45554723200

約数和(自身を除く): 25344702768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 349, 469, 536, 698, 938, 1072, 1396, 1876, 2443, 2792, 3752, 4886, 5584, 7504, 7717, 9772, 15434, 19544, 23383, 30868, 39088, 46766, 54019, 61736, 93532, 108038, 123472, 163681, 187064, 216076, 327362, 374128, 432152, 517039, 654724, 864304, 1034078, 1309448, 2068156, 2618896, 2693233, 3619273, 4136312, 5386466, 7238546, 8272624, 10772932, 14477092, 18852631, 21545864, 28954184, 37705262, 43091728, 57908368, 75410524, 150821048, 180446611, 301642096, 360893222, 721786444, 1263126277, 1443572888, 2526252554, 2887145776, 5052505108, 10105010216, 20210020432]

約数ペア:

[(1, 20210020432), (2, 10105010216), (4, 5052505108), (7, 2887145776), (8, 2526252554), (14, 1443572888), (16, 1263126277), (28, 721786444), (56, 360893222), (67, 301642096), (112, 180446611), (134, 150821048), (268, 75410524), (349, 57908368), (469, 43091728), (536, 37705262), (698, 28954184), (938, 21545864), (1072, 18852631), (1396, 14477092), (1876, 10772932), (2443, 8272624), (2792, 7238546), (3752, 5386466), (4886, 4136312), (5584, 3619273), (7504, 2693233), (7717, 2618896), (9772, 2068156), (15434, 1309448), (19544, 1034078), (23383, 864304), (30868, 654724), (39088, 517039), (46766, 432152), (54019, 374128), (61736, 327362), (93532, 216076), (108038, 187064), (123472, 163681)]