20097705

素因数分解:

$3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2027}}^1$

素因数の和:2696

約数の個数: 16

約数和(自身を含む): 32220864

約数和(自身を除く): 12123159

約数列:

[1, 3, 5, 15, 661, 1983, 2027, 3305, 6081, 9915, 10135, 30405, 1339847, 4019541, 6699235, 20097705]

約数ペア:

[(1, 20097705), (3, 6699235), (5, 4019541), (15, 1339847), (661, 30405), (1983, 10135), (2027, 9915), (3305, 6081)]