20088568

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2539}}^1$

素因数の和:2611

約数の個数: 32

約数和(自身を含む): 40233600

約数和(自身を除く): 20145032

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 2539, 3956, 5078, 7912, 10156, 20312, 58397, 109177, 116794, 218354, 233588, 436708, 467176, 873416, 2511071, 5022142, 10044284, 20088568]

約数ペア:

[(1, 20088568), (2, 10044284), (4, 5022142), (8, 2511071), (23, 873416), (43, 467176), (46, 436708), (86, 233588), (92, 218354), (172, 116794), (184, 109177), (344, 58397), (989, 20312), (1978, 10156), (2539, 7912), (3956, 5078)]