20145537568

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{479473}}^1$

素因数の和:479597

約数の個数: 48

約数和(自身を含む): 43135398936

約数和(自身を除く): 22989861368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 101, 104, 202, 208, 404, 416, 808, 1313, 1616, 2626, 3232, 5252, 10504, 21008, 42016, 479473, 958946, 1917892, 3835784, 6233149, 7671568, 12466298, 15343136, 24932596, 48426773, 49865192, 96853546, 99730384, 193707092, 199460768, 387414184, 629548049, 774828368, 1259096098, 1549656736, 2518192196, 5036384392, 10072768784, 20145537568]

約数ペア:

[(1, 20145537568), (2, 10072768784), (4, 5036384392), (8, 2518192196), (13, 1549656736), (16, 1259096098), (26, 774828368), (32, 629548049), (52, 387414184), (101, 199460768), (104, 193707092), (202, 99730384), (208, 96853546), (404, 49865192), (416, 48426773), (808, 24932596), (1313, 15343136), (1616, 12466298), (2626, 7671568), (3232, 6233149), (5252, 3835784), (10504, 1917892), (21008, 958946), (42016, 479473)]