20421628448

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:555

約数の個数: 192

約数和(自身を含む): 46401159168

約数和(自身を除く): 25979530720

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 37, 52, 62, 74, 104, 124, 127, 148, 208, 248, 254, 296, 337, 403, 416, 481, 496, 508, 592, 674, 806, 962, 992, 1016, 1147, 1184, 1348, 1612, 1651, 1924, 2032, 2294, 2696, 3224, 3302, 3848, 3937, 4064, 4381, 4588, 4699, 5392, 6448, 6604, 7696, 7874, 8762, 9176, 9398, 10447, 10784, 12469, 12896, 13208, 14911, 15392, 15748, 17524, 18352, 18796, 20894, 24938, 26416, 29822, 31496, 35048, 36704, 37592, 41788, 42799, 49876, 51181, 52832, 59644, 61087, 62992, 70096, 75184, 83576, 85598, 99752, 102362, 119288, 122174, 125984, 135811, 140192, 145669, 150368, 162097, 167152, 171196, 199504, 204724, 238576, 244348, 271622, 291338, 324194, 334304, 342392, 386539, 399008, 409448, 477152, 488696, 543244, 556387, 582676, 648388, 684784, 773078, 818896, 977392, 1086488, 1112774, 1165352, 1296776, 1326769, 1369568, 1546156, 1583563, 1637792, 1893697, 1954784, 2172976, 2225548, 2330704, 2593552, 2653538, 3092312, 3167126, 3787394, 4345952, 4451096, 4661408, 5025007, 5187104, 5307076, 6184624, 6334252, 7574788, 8902192, 10050014, 10614152, 12369248, 12668504, 15149576, 17247997, 17804384, 20100028, 20586319, 21228304, 25337008, 30299152, 34495994, 40200056, 41172638, 42456608, 49090453, 50674016, 60598304, 68991988, 80400112, 82345276, 98180906, 137983976, 160800224, 164690552, 196361812, 275967952, 329381104, 392723624, 551935904, 638175889, 658762208, 785447248, 1276351778, 1570894496, 2552703556, 5105407112, 10210814224, 20421628448]

約数ペア:

[(1, 20421628448), (2, 10210814224), (4, 5105407112), (8, 2552703556), (13, 1570894496), (16, 1276351778), (26, 785447248), (31, 658762208), (32, 638175889), (37, 551935904), (52, 392723624), (62, 329381104), (74, 275967952), (104, 196361812), (124, 164690552), (127, 160800224), (148, 137983976), (208, 98180906), (248, 82345276), (254, 80400112), (296, 68991988), (337, 60598304), (403, 50674016), (416, 49090453), (481, 42456608), (496, 41172638), (508, 40200056), (592, 34495994), (674, 30299152), (806, 25337008), (962, 21228304), (992, 20586319), (1016, 20100028), (1147, 17804384), (1184, 17247997), (1348, 15149576), (1612, 12668504), (1651, 12369248), (1924, 10614152), (2032, 10050014), (2294, 8902192), (2696, 7574788), (3224, 6334252), (3302, 6184624), (3848, 5307076), (3937, 5187104), (4064, 5025007), (4381, 4661408), (4588, 4451096), (4699, 4345952), (5392, 3787394), (6448, 3167126), (6604, 3092312), (7696, 2653538), (7874, 2593552), (8762, 2330704), (9176, 2225548), (9398, 2172976), (10447, 1954784), (10784, 1893697), (12469, 1637792), (12896, 1583563), (13208, 1546156), (14911, 1369568), (15392, 1326769), (15748, 1296776), (17524, 1165352), (18352, 1112774), (18796, 1086488), (20894, 977392), (24938, 818896), (26416, 773078), (29822, 684784), (31496, 648388), (35048, 582676), (36704, 556387), (37592, 543244), (41788, 488696), (42799, 477152), (49876, 409448), (51181, 399008), (52832, 386539), (59644, 342392), (61087, 334304), (62992, 324194), (70096, 291338), (75184, 271622), (83576, 244348), (85598, 238576), (99752, 204724), (102362, 199504), (119288, 171196), (122174, 167152), (125984, 162097), (135811, 150368), (140192, 145669)]