20712210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{690407}}^1$

素因数の和:690417

約数の個数: 16

約数和(自身を含む): 49709376

約数和(自身を除く): 28997166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 690407, 1380814, 2071221, 3452035, 4142442, 6904070, 10356105, 20712210]

約数ペア:

[(1, 20712210), (2, 10356105), (3, 6904070), (5, 4142442), (6, 3452035), (10, 2071221), (15, 1380814), (30, 690407)]