20175416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 43200000

約数和(自身を除く): 23024584

約数列:

[1, 2, 4, 8, 19, 23, 29, 38, 46, 58, 76, 92, 116, 152, 184, 199, 232, 398, 437, 551, 667, 796, 874, 1102, 1334, 1592, 1748, 2204, 2668, 3496, 3781, 4408, 4577, 5336, 5771, 7562, 9154, 11542, 12673, 15124, 18308, 23084, 25346, 30248, 36616, 46168, 50692, 86963, 101384, 109649, 132733, 173926, 219298, 265466, 347852, 438596, 530932, 695704, 877192, 1061864, 2521927, 5043854, 10087708, 20175416]

約数ペア:

[(1, 20175416), (2, 10087708), (4, 5043854), (8, 2521927), (19, 1061864), (23, 877192), (29, 695704), (38, 530932), (46, 438596), (58, 347852), (76, 265466), (92, 219298), (116, 173926), (152, 132733), (184, 109649), (199, 101384), (232, 86963), (398, 50692), (437, 46168), (551, 36616), (667, 30248), (796, 25346), (874, 23084), (1102, 18308), (1334, 15124), (1592, 12673), (1748, 11542), (2204, 9154), (2668, 7562), (3496, 5771), (3781, 5336), (4408, 4577)]