20201465

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{631}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 25633920

約数和(自身を除く): 5432455

約数列:

[1, 5, 19, 95, 337, 631, 1685, 3155, 6403, 11989, 32015, 59945, 212647, 1063235, 4040293, 20201465]

約数ペア:

[(1, 20201465), (5, 4040293), (19, 1063235), (95, 212647), (337, 59945), (631, 32015), (1685, 11989), (3155, 6403)]