20217315216

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1973}}^1\times {\mathrm{30497}}^1$

素因数の和:32488

約数の個数: 80

約数和(自身を含む): 59721427584

約数和(自身を除く): 39504112368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1973, 3946, 5919, 7892, 11838, 13811, 15784, 23676, 27622, 30497, 31568, 41433, 47352, 55244, 60994, 82866, 91491, 94704, 110488, 121988, 165732, 182982, 213479, 220976, 243976, 331464, 365964, 426958, 487952, 640437, 662928, 731928, 853916, 1280874, 1463856, 1707832, 2561748, 3415664, 5123496, 10246992, 60170581, 120341162, 180511743, 240682324, 361023486, 421194067, 481364648, 722046972, 842388134, 962729296, 1263582201, 1444093944, 1684776268, 2527164402, 2888187888, 3369552536, 5054328804, 6739105072, 10108657608, 20217315216]

約数ペア:

[(1, 20217315216), (2, 10108657608), (3, 6739105072), (4, 5054328804), (6, 3369552536), (7, 2888187888), (8, 2527164402), (12, 1684776268), (14, 1444093944), (16, 1263582201), (21, 962729296), (24, 842388134), (28, 722046972), (42, 481364648), (48, 421194067), (56, 361023486), (84, 240682324), (112, 180511743), (168, 120341162), (336, 60170581), (1973, 10246992), (3946, 5123496), (5919, 3415664), (7892, 2561748), (11838, 1707832), (13811, 1463856), (15784, 1280874), (23676, 853916), (27622, 731928), (30497, 662928), (31568, 640437), (41433, 487952), (47352, 426958), (55244, 365964), (60994, 331464), (82866, 243976), (91491, 220976), (94704, 213479), (110488, 182982), (121988, 165732)]