20425065

素因数分解:

$3^1\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1873}}^1$

素因数の和:2608

約数の個数: 16

約数和(自身を含む): 32742528

約数和(自身を除く): 12317463

約数列:

[1, 3, 5, 15, 727, 1873, 2181, 3635, 5619, 9365, 10905, 28095, 1361671, 4085013, 6808355, 20425065]

約数ペア:

[(1, 20425065), (3, 6808355), (5, 4085013), (15, 1361671), (727, 28095), (1873, 10905), (2181, 9365), (3635, 5619)]