20481645

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12527}}^1$

素因数の和:12644

約数の個数: 16

約数和(自身を含む): 33073920

約数和(自身を除く): 12592275

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 12527, 37581, 62635, 187905, 1365443, 4096329, 6827215, 20481645]

約数ペア:

[(1, 20481645), (3, 6827215), (5, 4096329), (15, 1365443), (109, 187905), (327, 62635), (545, 37581), (1635, 12527)]