20674443

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1153}}^1$

素因数の和:1338

約数の個数: 16

約数和(自身を含む): 28434560

約数和(自身を除く): 7760117

約数列:

[1, 3, 43, 129, 139, 417, 1153, 3459, 5977, 17931, 49579, 148737, 160267, 480801, 6891481, 20674443]

約数ペア:

[(1, 20674443), (3, 6891481), (43, 480801), (129, 160267), (139, 148737), (417, 49579), (1153, 17931), (3459, 5977)]