20403889636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1\times {\mathrm{12511}}^1$

素因数の和:13004

約数の個数: 48

約数和(自身を含む): 39041443840

約数和(自身を除く): 18637554204

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 397, 794, 1027, 1588, 2054, 4108, 5161, 10322, 12511, 20644, 25022, 31363, 50044, 62726, 125452, 162643, 325286, 407719, 650572, 815438, 988369, 1630876, 1976738, 3953476, 4966867, 9933734, 12848797, 19867468, 25697594, 51395188, 64569271, 129138542, 258277084, 392382493, 784764986, 1569529972, 5100972409, 10201944818, 20403889636]

約数ペア:

[(1, 20403889636), (2, 10201944818), (4, 5100972409), (13, 1569529972), (26, 784764986), (52, 392382493), (79, 258277084), (158, 129138542), (316, 64569271), (397, 51395188), (794, 25697594), (1027, 19867468), (1588, 12848797), (2054, 9933734), (4108, 4966867), (5161, 3953476), (10322, 1976738), (12511, 1630876), (20644, 988369), (25022, 815438), (31363, 650572), (50044, 407719), (62726, 325286), (125452, 162643)]