20604189

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7691}}^1$

素因数の和:7760

約数の個数: 16

約数和(自身を含む): 29537280

約数和(自身を除く): 8933091

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 7691, 23073, 146129, 361477, 438387, 1084431, 6868063, 20604189]

約数ペア:

[(1, 20604189), (3, 6868063), (19, 1084431), (47, 438387), (57, 361477), (141, 146129), (893, 23073), (2679, 7691)]