20873645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4523}}^1$

素因数の和:4612

約数の個数: 16

約数和(自身を含む): 27361152

約数和(自身を除く): 6487507

約数列:

[1, 5, 13, 65, 71, 355, 923, 4523, 4615, 22615, 58799, 293995, 321133, 1605665, 4174729, 20873645]

約数ペア:

[(1, 20873645), (5, 4174729), (13, 1605665), (65, 321133), (71, 293995), (355, 58799), (923, 22615), (4523, 4615)]