20955397312

素因数分解:

$2^6\times {\mathrm{19}}^3\times {\mathrm{47737}}^1$

素因数の和:47806

約数の個数: 56

約数和(自身を含む): 43894136240

約数和(自身を除く): 22938738928

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 361, 608, 722, 1216, 1444, 2888, 5776, 6859, 11552, 13718, 23104, 27436, 47737, 54872, 95474, 109744, 190948, 219488, 381896, 438976, 763792, 907003, 1527584, 1814006, 3055168, 3628012, 7256024, 14512048, 17233057, 29024096, 34466114, 58048192, 68932228, 137864456, 275728912, 327428083, 551457824, 654856166, 1102915648, 1309712332, 2619424664, 5238849328, 10477698656, 20955397312]

約数ペア:

[(1, 20955397312), (2, 10477698656), (4, 5238849328), (8, 2619424664), (16, 1309712332), (19, 1102915648), (32, 654856166), (38, 551457824), (64, 327428083), (76, 275728912), (152, 137864456), (304, 68932228), (361, 58048192), (608, 34466114), (722, 29024096), (1216, 17233057), (1444, 14512048), (2888, 7256024), (5776, 3628012), (6859, 3055168), (11552, 1814006), (13718, 1527584), (23104, 907003), (27436, 763792), (47737, 438976), (54872, 381896), (95474, 219488), (109744, 190948)]