20935771136

素因数分解:

$2^{10}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1327}}^1$

素因数の和:1456

約数の個数: 176

約数和(自身を含む): 50105843712

約数和(自身を除く): 29170072576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 71, 112, 124, 128, 142, 217, 224, 248, 256, 284, 434, 448, 496, 497, 512, 568, 868, 896, 992, 994, 1024, 1136, 1327, 1736, 1792, 1984, 1988, 2201, 2272, 2654, 3472, 3584, 3968, 3976, 4402, 4544, 5308, 6944, 7168, 7936, 7952, 8804, 9088, 9289, 10616, 13888, 15407, 15872, 15904, 17608, 18176, 18578, 21232, 27776, 30814, 31744, 31808, 35216, 36352, 37156, 41137, 42464, 55552, 61628, 63616, 70432, 72704, 74312, 82274, 84928, 94217, 111104, 123256, 127232, 140864, 148624, 164548, 169856, 188434, 222208, 246512, 254464, 281728, 287959, 297248, 329096, 339712, 376868, 493024, 508928, 563456, 575918, 594496, 658192, 659519, 679424, 753736, 986048, 1126912, 1151836, 1188992, 1316384, 1319038, 1358848, 1507472, 1972096, 2253824, 2303672, 2377984, 2632768, 2638076, 2920727, 3014944, 3944192, 4607344, 4755968, 5265536, 5276152, 5841454, 6029888, 7888384, 9214688, 9511936, 10531072, 10552304, 11682908, 12059776, 15776768, 18429376, 20445089, 21062144, 21104608, 23365816, 24119552, 36858752, 40890178, 42124288, 42209216, 46731632, 48239104, 73717504, 81780356, 84418432, 93463264, 96478208, 147435008, 163560712, 168836864, 186926528, 294870016, 327121424, 337673728, 373853056, 654242848, 675347456, 747706112, 1308485696, 1495412224, 2616971392, 2990824448, 5233942784, 10467885568, 20935771136]

約数ペア:

[(1, 20935771136), (2, 10467885568), (4, 5233942784), (7, 2990824448), (8, 2616971392), (14, 1495412224), (16, 1308485696), (28, 747706112), (31, 675347456), (32, 654242848), (56, 373853056), (62, 337673728), (64, 327121424), (71, 294870016), (112, 186926528), (124, 168836864), (128, 163560712), (142, 147435008), (217, 96478208), (224, 93463264), (248, 84418432), (256, 81780356), (284, 73717504), (434, 48239104), (448, 46731632), (496, 42209216), (497, 42124288), (512, 40890178), (568, 36858752), (868, 24119552), (896, 23365816), (992, 21104608), (994, 21062144), (1024, 20445089), (1136, 18429376), (1327, 15776768), (1736, 12059776), (1792, 11682908), (1984, 10552304), (1988, 10531072), (2201, 9511936), (2272, 9214688), (2654, 7888384), (3472, 6029888), (3584, 5841454), (3968, 5276152), (3976, 5265536), (4402, 4755968), (4544, 4607344), (5308, 3944192), (6944, 3014944), (7168, 2920727), (7936, 2638076), (7952, 2632768), (8804, 2377984), (9088, 2303672), (9289, 2253824), (10616, 1972096), (13888, 1507472), (15407, 1358848), (15872, 1319038), (15904, 1316384), (17608, 1188992), (18176, 1151836), (18578, 1126912), (21232, 986048), (27776, 753736), (30814, 679424), (31744, 659519), (31808, 658192), (35216, 594496), (36352, 575918), (37156, 563456), (41137, 508928), (42464, 493024), (55552, 376868), (61628, 339712), (63616, 329096), (70432, 297248), (72704, 287959), (74312, 281728), (82274, 254464), (84928, 246512), (94217, 222208), (111104, 188434), (123256, 169856), (127232, 164548), (140864, 148624)]