20477795

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1013}}^1$

素因数の和:1342

約数の個数: 16

約数和(自身を含む): 26574912

約数和(自身を除く): 6097117

約数列:

[1, 5, 13, 65, 311, 1013, 1555, 4043, 5065, 13169, 20215, 65845, 315043, 1575215, 4095559, 20477795]

約数ペア:

[(1, 20477795), (5, 4095559), (13, 1575215), (65, 315043), (311, 65845), (1013, 20215), (1555, 13169), (4043, 5065)]