20178256728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{332711}}^1$

素因数の和:332765

約数の個数: 96

約数和(自身を含む): 60846370560

約数和(自身を除く): 40668113832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 361, 399, 456, 532, 722, 798, 1064, 1083, 1444, 1596, 2166, 2527, 2888, 3192, 4332, 5054, 7581, 8664, 10108, 15162, 20216, 30324, 60648, 332711, 665422, 998133, 1330844, 1996266, 2328977, 2661688, 3992532, 4657954, 6321509, 6986931, 7985064, 9315908, 12643018, 13973862, 18631816, 18964527, 25286036, 27947724, 37929054, 44250563, 50572072, 55895448, 75858108, 88501126, 120108671, 132751689, 151716216, 177002252, 240217342, 265503378, 354004504, 360326013, 480434684, 531006756, 720652026, 840760697, 960869368, 1062013512, 1441304052, 1681521394, 2522282091, 2882608104, 3363042788, 5044564182, 6726085576, 10089128364, 20178256728]

約数ペア:

[(1, 20178256728), (2, 10089128364), (3, 6726085576), (4, 5044564182), (6, 3363042788), (7, 2882608104), (8, 2522282091), (12, 1681521394), (14, 1441304052), (19, 1062013512), (21, 960869368), (24, 840760697), (28, 720652026), (38, 531006756), (42, 480434684), (56, 360326013), (57, 354004504), (76, 265503378), (84, 240217342), (114, 177002252), (133, 151716216), (152, 132751689), (168, 120108671), (228, 88501126), (266, 75858108), (361, 55895448), (399, 50572072), (456, 44250563), (532, 37929054), (722, 27947724), (798, 25286036), (1064, 18964527), (1083, 18631816), (1444, 13973862), (1596, 12643018), (2166, 9315908), (2527, 7985064), (2888, 6986931), (3192, 6321509), (4332, 4657954), (5054, 3992532), (7581, 2661688), (8664, 2328977), (10108, 1996266), (15162, 1330844), (20216, 998133), (30324, 665422), (60648, 332711)]