20678743799

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{10039}}^1$

素因数の和:10287

約数の個数: 32

約数和(自身を含む): 24963456000

約数和(自身を除く): 4284712201

約数列:

[1, 7, 29, 73, 139, 203, 511, 973, 2117, 4031, 10039, 10147, 14819, 28217, 70273, 71029, 291131, 294263, 732847, 1395421, 2037917, 2059841, 5129929, 9767947, 21252563, 40467209, 101865733, 148767941, 283270463, 713060131, 2954106257, 20678743799]

約数ペア:

[(1, 20678743799), (7, 2954106257), (29, 713060131), (73, 283270463), (139, 148767941), (203, 101865733), (511, 40467209), (973, 21252563), (2117, 9767947), (4031, 5129929), (10039, 2059841), (10147, 2037917), (14819, 1395421), (28217, 732847), (70273, 294263), (71029, 291131)]