20137436468

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1\times {\mathrm{2549}}^1$

素因数の和:4616

約数の個数: 48

約数和(自身を含む): 37661500800

約数和(自身を除く): 17524064332

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 1997, 2549, 3956, 3994, 5098, 7988, 10196, 45931, 58627, 85871, 91862, 109607, 117254, 171742, 183724, 219214, 234508, 343484, 438428, 1975033, 2520961, 3950066, 5041922, 5090353, 7900132, 10083844, 10180706, 20361412, 117078119, 218885179, 234156238, 437770358, 468312476, 875540716, 5034359117, 10068718234, 20137436468]

約数ペア:

[(1, 20137436468), (2, 10068718234), (4, 5034359117), (23, 875540716), (43, 468312476), (46, 437770358), (86, 234156238), (92, 218885179), (172, 117078119), (989, 20361412), (1978, 10180706), (1997, 10083844), (2549, 7900132), (3956, 5090353), (3994, 5041922), (5098, 3950066), (7988, 2520961), (10196, 1975033), (45931, 438428), (58627, 343484), (85871, 234508), (91862, 219214), (109607, 183724), (117254, 171742)]