20975712

素因数分解:

$2^5\times 3^1\times {\mathrm{151}}^1\times {\mathrm{1447}}^1$

素因数の和:1611

約数の個数: 48

約数和(自身を含む): 55464192

約数和(自身を除く): 34488480

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 151, 302, 453, 604, 906, 1208, 1447, 1812, 2416, 2894, 3624, 4341, 4832, 5788, 7248, 8682, 11576, 14496, 17364, 23152, 34728, 46304, 69456, 138912, 218497, 436994, 655491, 873988, 1310982, 1747976, 2621964, 3495952, 5243928, 6991904, 10487856, 20975712]

約数ペア:

[(1, 20975712), (2, 10487856), (3, 6991904), (4, 5243928), (6, 3495952), (8, 2621964), (12, 1747976), (16, 1310982), (24, 873988), (32, 655491), (48, 436994), (96, 218497), (151, 138912), (302, 69456), (453, 46304), (604, 34728), (906, 23152), (1208, 17364), (1447, 14496), (1812, 11576), (2416, 8682), (2894, 7248), (3624, 5788), (4341, 4832)]