20196990975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:422

約数の個数: 192

約数和(自身を含む): 41140224000

約数和(自身を除く): 20943233025

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 107, 127, 133, 149, 175, 285, 321, 381, 399, 447, 475, 525, 535, 635, 665, 745, 749, 889, 1043, 1425, 1605, 1905, 1995, 2033, 2235, 2247, 2413, 2667, 2675, 2831, 3129, 3175, 3325, 3725, 3745, 4445, 5215, 6099, 7239, 8025, 8493, 9525, 9975, 10165, 11175, 11235, 12065, 13335, 13589, 14155, 14231, 15645, 15943, 16891, 18725, 18923, 19817, 22225, 26075, 30495, 36195, 40767, 42465, 42693, 47829, 50673, 50825, 56175, 56769, 59451, 60325, 66675, 67945, 70775, 71155, 78225, 79715, 84455, 94615, 95123, 99085, 111601, 132461, 152475, 180975, 203835, 212325, 213465, 239145, 253365, 258191, 283845, 285369, 297255, 302917, 334803, 339725, 355775, 359537, 397383, 398575, 422275, 473075, 475615, 495425, 558005, 662305, 774573, 908751, 1019175, 1067325, 1078611, 1195725, 1266825, 1290955, 1419225, 1426845, 1486275, 1514585, 1674015, 1797685, 1807337, 1986915, 2024761, 2120419, 2378075, 2516759, 2790025, 3311525, 3872865, 4543755, 5393055, 5422011, 6074283, 6361257, 6454775, 7134225, 7550277, 7572925, 8370075, 8988425, 9036685, 9934575, 10123805, 10602095, 12583795, 14173327, 19364325, 22718775, 26965275, 27110055, 30371415, 31806285, 37751385, 38470459, 42519981, 45183425, 50619025, 53010475, 62918975, 70866635, 115411377, 135550275, 151857075, 159031425, 188756925, 192352295, 212599905, 269293213, 354333175, 577056885, 807879639, 961761475, 1062999525, 1346466065, 2885284425, 4039398195, 6732330325, 20196990975]

約数ペア:

[(1, 20196990975), (3, 6732330325), (5, 4039398195), (7, 2885284425), (15, 1346466065), (19, 1062999525), (21, 961761475), (25, 807879639), (35, 577056885), (57, 354333175), (75, 269293213), (95, 212599905), (105, 192352295), (107, 188756925), (127, 159031425), (133, 151857075), (149, 135550275), (175, 115411377), (285, 70866635), (321, 62918975), (381, 53010475), (399, 50619025), (447, 45183425), (475, 42519981), (525, 38470459), (535, 37751385), (635, 31806285), (665, 30371415), (745, 27110055), (749, 26965275), (889, 22718775), (1043, 19364325), (1425, 14173327), (1605, 12583795), (1905, 10602095), (1995, 10123805), (2033, 9934575), (2235, 9036685), (2247, 8988425), (2413, 8370075), (2667, 7572925), (2675, 7550277), (2831, 7134225), (3129, 6454775), (3175, 6361257), (3325, 6074283), (3725, 5422011), (3745, 5393055), (4445, 4543755), (5215, 3872865), (6099, 3311525), (7239, 2790025), (8025, 2516759), (8493, 2378075), (9525, 2120419), (9975, 2024761), (10165, 1986915), (11175, 1807337), (11235, 1797685), (12065, 1674015), (13335, 1514585), (13589, 1486275), (14155, 1426845), (14231, 1419225), (15645, 1290955), (15943, 1266825), (16891, 1195725), (18725, 1078611), (18923, 1067325), (19817, 1019175), (22225, 908751), (26075, 774573), (30495, 662305), (36195, 558005), (40767, 495425), (42465, 475615), (42693, 473075), (47829, 422275), (50673, 398575), (50825, 397383), (56175, 359537), (56769, 355775), (59451, 339725), (60325, 334803), (66675, 302917), (67945, 297255), (70775, 285369), (71155, 283845), (78225, 258191), (79715, 253365), (84455, 239145), (94615, 213465), (95123, 212325), (99085, 203835), (111601, 180975), (132461, 152475)]