20192389888

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:898

約数の個数: 144

約数和(自身を含む): 44915673600

約数和(自身を除く): 24723283712

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 79, 88, 128, 139, 158, 176, 256, 278, 316, 352, 556, 632, 653, 704, 869, 1112, 1264, 1306, 1408, 1529, 1738, 2224, 2528, 2612, 2816, 3058, 3476, 4448, 5056, 5224, 6116, 6952, 7183, 8896, 10112, 10448, 10981, 12232, 13904, 14366, 17792, 20224, 20896, 21962, 24464, 27808, 28732, 35584, 41792, 43924, 48928, 51587, 55616, 57464, 83584, 87848, 90767, 97856, 103174, 111232, 114928, 120791, 167168, 175696, 181534, 195712, 206348, 222464, 229856, 241582, 351392, 363068, 391424, 412696, 459712, 483164, 567457, 702784, 726136, 825392, 919424, 966328, 998437, 1134914, 1405568, 1452272, 1650784, 1838848, 1932656, 1996874, 2269828, 2811136, 2904544, 3301568, 3865312, 3993748, 4539656, 5809088, 6603136, 7170593, 7730624, 7987496, 9079312, 11618176, 13206272, 14341186, 15461248, 15974992, 18158624, 23236352, 28682372, 30922496, 31949984, 36317248, 57364744, 63899968, 72634496, 78876523, 114729488, 127799936, 145268992, 157753046, 229458976, 255599872, 315506092, 458917952, 631012184, 917835904, 1262024368, 1835671808, 2524048736, 5048097472, 10096194944, 20192389888]

約数ペア:

[(1, 20192389888), (2, 10096194944), (4, 5048097472), (8, 2524048736), (11, 1835671808), (16, 1262024368), (22, 917835904), (32, 631012184), (44, 458917952), (64, 315506092), (79, 255599872), (88, 229458976), (128, 157753046), (139, 145268992), (158, 127799936), (176, 114729488), (256, 78876523), (278, 72634496), (316, 63899968), (352, 57364744), (556, 36317248), (632, 31949984), (653, 30922496), (704, 28682372), (869, 23236352), (1112, 18158624), (1264, 15974992), (1306, 15461248), (1408, 14341186), (1529, 13206272), (1738, 11618176), (2224, 9079312), (2528, 7987496), (2612, 7730624), (2816, 7170593), (3058, 6603136), (3476, 5809088), (4448, 4539656), (5056, 3993748), (5224, 3865312), (6116, 3301568), (6952, 2904544), (7183, 2811136), (8896, 2269828), (10112, 1996874), (10448, 1932656), (10981, 1838848), (12232, 1650784), (13904, 1452272), (14366, 1405568), (17792, 1134914), (20224, 998437), (20896, 966328), (21962, 919424), (24464, 825392), (27808, 726136), (28732, 702784), (35584, 567457), (41792, 483164), (43924, 459712), (48928, 412696), (51587, 391424), (55616, 363068), (57464, 351392), (83584, 241582), (87848, 229856), (90767, 222464), (97856, 206348), (103174, 195712), (111232, 181534), (114928, 175696), (120791, 167168)]