20442405

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12503}}^1$

素因数の和:12620

約数の個数: 16

約数和(自身を含む): 33010560

約数和(自身を除く): 12568155

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 12503, 37509, 62515, 187545, 1362827, 4088481, 6814135, 20442405]

約数ペア:

[(1, 20442405), (3, 6814135), (5, 4088481), (15, 1362827), (109, 187545), (327, 62515), (545, 37509), (1635, 12503)]