20477685

素因数分解:

$3^1\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1231}}^1$

素因数の和:2348

約数の個数: 16

約数和(自身を含む): 32820480

約数和(自身を除く): 12342795

約数列:

[1, 3, 5, 15, 1109, 1231, 3327, 3693, 5545, 6155, 16635, 18465, 1365179, 4095537, 6825895, 20477685]

約数ペア:

[(1, 20477685), (3, 6825895), (5, 4095537), (15, 1365179), (1109, 18465), (1231, 16635), (3327, 6155), (3693, 5545)]