20522346

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:615

約数の個数: 48

約数和(自身を含む): 45729504

約数和(自身を除く): 25207158

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 169, 222, 338, 481, 507, 547, 962, 1014, 1094, 1443, 1641, 2886, 3282, 6253, 7111, 12506, 14222, 18759, 20239, 21333, 37518, 40478, 42666, 60717, 92443, 121434, 184886, 263107, 277329, 526214, 554658, 789321, 1578642, 3420391, 6840782, 10261173, 20522346]

約数ペア:

[(1, 20522346), (2, 10261173), (3, 6840782), (6, 3420391), (13, 1578642), (26, 789321), (37, 554658), (39, 526214), (74, 277329), (78, 263107), (111, 184886), (169, 121434), (222, 92443), (338, 60717), (481, 42666), (507, 40478), (547, 37518), (962, 21333), (1014, 20239), (1094, 18759), (1443, 14222), (1641, 12506), (2886, 7111), (3282, 6253)]