20731785168

素因数分解:

$2^4\times 3^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{23071}}^1$

素因数の和:23372

約数の個数: 80

約数和(自身を含む): 54391963136

約数和(自身を除く): 33660177968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 97, 193, 194, 291, 386, 388, 579, 582, 772, 776, 1158, 1164, 1544, 1552, 2316, 2328, 3088, 4632, 4656, 9264, 18721, 23071, 37442, 46142, 56163, 69213, 74884, 92284, 112326, 138426, 149768, 184568, 224652, 276852, 299536, 369136, 449304, 553704, 898608, 1107408, 2237887, 4452703, 4475774, 6713661, 8905406, 8951548, 13358109, 13427322, 17810812, 17903096, 26716218, 26854644, 35621624, 35806192, 53432436, 53709288, 71243248, 106864872, 107418576, 213729744, 431912191, 863824382, 1295736573, 1727648764, 2591473146, 3455297528, 5182946292, 6910595056, 10365892584, 20731785168]

約数ペア:

[(1, 20731785168), (2, 10365892584), (3, 6910595056), (4, 5182946292), (6, 3455297528), (8, 2591473146), (12, 1727648764), (16, 1295736573), (24, 863824382), (48, 431912191), (97, 213729744), (193, 107418576), (194, 106864872), (291, 71243248), (386, 53709288), (388, 53432436), (579, 35806192), (582, 35621624), (772, 26854644), (776, 26716218), (1158, 17903096), (1164, 17810812), (1544, 13427322), (1552, 13358109), (2316, 8951548), (2328, 8905406), (3088, 6713661), (4632, 4475774), (4656, 4452703), (9264, 2237887), (18721, 1107408), (23071, 898608), (37442, 553704), (46142, 449304), (56163, 369136), (69213, 299536), (74884, 276852), (92284, 224652), (112326, 184568), (138426, 149768)]