20660172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{132437}}^1$

素因数の和:132457

約数の個数: 24

約数和(自身を含む): 51915696

約数和(自身を除く): 31255524

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 132437, 264874, 397311, 529748, 794622, 1589244, 1721681, 3443362, 5165043, 6886724, 10330086, 20660172]

約数ペア:

[(1, 20660172), (2, 10330086), (3, 6886724), (4, 5165043), (6, 3443362), (12, 1721681), (13, 1589244), (26, 794622), (39, 529748), (52, 397311), (78, 264874), (156, 132437)]