20161718120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1811}}^1\times {\mathrm{12101}}^1$

素因数の和:13946

約数の個数: 64

約数和(自身を含む): 47366259840

約数和(自身を除く): 27204541720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1811, 3622, 7244, 9055, 12101, 14488, 18110, 24202, 36220, 41653, 48404, 60505, 72440, 83306, 96808, 121010, 166612, 208265, 242020, 278323, 333224, 416530, 484040, 556646, 833060, 1113292, 1391615, 1666120, 2226584, 2783230, 5566460, 11132920, 21914911, 43829822, 87659644, 109574555, 175319288, 219149110, 438298220, 504042953, 876596440, 1008085906, 2016171812, 2520214765, 4032343624, 5040429530, 10080859060, 20161718120]

約数ペア:

[(1, 20161718120), (2, 10080859060), (4, 5040429530), (5, 4032343624), (8, 2520214765), (10, 2016171812), (20, 1008085906), (23, 876596440), (40, 504042953), (46, 438298220), (92, 219149110), (115, 175319288), (184, 109574555), (230, 87659644), (460, 43829822), (920, 21914911), (1811, 11132920), (3622, 5566460), (7244, 2783230), (9055, 2226584), (12101, 1666120), (14488, 1391615), (18110, 1113292), (24202, 833060), (36220, 556646), (41653, 484040), (48404, 416530), (60505, 333224), (72440, 278323), (83306, 242020), (96808, 208265), (121010, 166612)]