20288265

素因数分解:

$3^1\times 5^1\times {\mathrm{751}}^1\times {\mathrm{1801}}^1$

素因数の和:2560

約数の個数: 16

約数和(自身を含む): 32522496

約数和(自身を除く): 12234231

約数列:

[1, 3, 5, 15, 751, 1801, 2253, 3755, 5403, 9005, 11265, 27015, 1352551, 4057653, 6762755, 20288265]

約数ペア:

[(1, 20288265), (3, 6762755), (5, 4057653), (15, 1352551), (751, 27015), (1801, 11265), (2253, 9005), (3755, 5403)]