20118560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 192

約数和(自身を含む): 62705664

約数和(自身を除く): 42587104

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 32, 35, 40, 44, 46, 55, 56, 70, 71, 77, 80, 88, 92, 110, 112, 115, 140, 142, 154, 160, 161, 176, 184, 220, 224, 230, 253, 280, 284, 308, 322, 352, 355, 368, 385, 440, 460, 497, 506, 560, 568, 616, 644, 710, 736, 770, 781, 805, 880, 920, 994, 1012, 1120, 1136, 1232, 1265, 1288, 1420, 1540, 1562, 1610, 1633, 1760, 1771, 1840, 1988, 2024, 2272, 2464, 2485, 2530, 2576, 2840, 3080, 3124, 3220, 3266, 3542, 3680, 3905, 3976, 4048, 4970, 5060, 5152, 5467, 5680, 6160, 6248, 6440, 6532, 7084, 7810, 7952, 8096, 8165, 8855, 9940, 10120, 10934, 11360, 11431, 12320, 12496, 12880, 13064, 14168, 15620, 15904, 16330, 17710, 17963, 19880, 20240, 21868, 22862, 24992, 25760, 26128, 27335, 28336, 31240, 32660, 35420, 35926, 39760, 40480, 43736, 45724, 52256, 54670, 56672, 57155, 62480, 65320, 70840, 71852, 79520, 87472, 89815, 91448, 109340, 114310, 124960, 125741, 130640, 141680, 143704, 174944, 179630, 182896, 218680, 228620, 251482, 261280, 283360, 287408, 359260, 365792, 437360, 457240, 502964, 574816, 628705, 718520, 874720, 914480, 1005928, 1257410, 1437040, 1828960, 2011856, 2514820, 2874080, 4023712, 5029640, 10059280, 20118560]

約数ペア:

[(1, 20118560), (2, 10059280), (4, 5029640), (5, 4023712), (7, 2874080), (8, 2514820), (10, 2011856), (11, 1828960), (14, 1437040), (16, 1257410), (20, 1005928), (22, 914480), (23, 874720), (28, 718520), (32, 628705), (35, 574816), (40, 502964), (44, 457240), (46, 437360), (55, 365792), (56, 359260), (70, 287408), (71, 283360), (77, 261280), (80, 251482), (88, 228620), (92, 218680), (110, 182896), (112, 179630), (115, 174944), (140, 143704), (142, 141680), (154, 130640), (160, 125741), (161, 124960), (176, 114310), (184, 109340), (220, 91448), (224, 89815), (230, 87472), (253, 79520), (280, 71852), (284, 70840), (308, 65320), (322, 62480), (352, 57155), (355, 56672), (368, 54670), (385, 52256), (440, 45724), (460, 43736), (497, 40480), (506, 39760), (560, 35926), (568, 35420), (616, 32660), (644, 31240), (710, 28336), (736, 27335), (770, 26128), (781, 25760), (805, 24992), (880, 22862), (920, 21868), (994, 20240), (1012, 19880), (1120, 17963), (1136, 17710), (1232, 16330), (1265, 15904), (1288, 15620), (1420, 14168), (1540, 13064), (1562, 12880), (1610, 12496), (1633, 12320), (1760, 11431), (1771, 11360), (1840, 10934), (1988, 10120), (2024, 9940), (2272, 8855), (2464, 8165), (2485, 8096), (2530, 7952), (2576, 7810), (2840, 7084), (3080, 6532), (3124, 6440), (3220, 6248), (3266, 6160), (3542, 5680), (3680, 5467), (3905, 5152), (3976, 5060), (4048, 4970)]