20197866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19919}}^1$

素因数の和:19950

約数の個数: 24

約数和(自身を含む): 43744320

約数和(自身を除く): 23546454

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 19919, 39838, 59757, 119514, 258947, 517894, 776841, 1553682, 3366311, 6732622, 10098933, 20197866]

約数ペア:

[(1, 20197866), (2, 10098933), (3, 6732622), (6, 3366311), (13, 1553682), (26, 776841), (39, 517894), (78, 258947), (169, 119514), (338, 59757), (507, 39838), (1014, 19919)]