20493984

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{30497}}^1$

素因数の和:30517

約数の個数: 48

約数和(自身を含む): 61483968

約数和(自身を除く): 40989984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 30497, 60994, 91491, 121988, 182982, 213479, 243976, 365964, 426958, 487952, 640437, 731928, 853916, 975904, 1280874, 1463856, 1707832, 2561748, 2927712, 3415664, 5123496, 6831328, 10246992, 20493984]

約数ペア:

[(1, 20493984), (2, 10246992), (3, 6831328), (4, 5123496), (6, 3415664), (7, 2927712), (8, 2561748), (12, 1707832), (14, 1463856), (16, 1280874), (21, 975904), (24, 853916), (28, 731928), (32, 640437), (42, 487952), (48, 426958), (56, 365964), (84, 243976), (96, 213479), (112, 182982), (168, 121988), (224, 91491), (336, 60994), (672, 30497)]