20128429

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 22049280

約数和(自身を除く): 1920851

約数列:

[1, 19, 43, 71, 347, 817, 1349, 3053, 6593, 14921, 24637, 58007, 283499, 468103, 1059391, 20128429]

約数ペア:

[(1, 20128429), (19, 1059391), (43, 468103), (71, 283499), (347, 58007), (817, 24637), (1349, 14921), (3053, 6593)]