20556645

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{37039}}^1$

素因数の和:37084

約数の個数: 16

約数和(自身を含む): 33780480

約数和(自身を除く): 13223835

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 37039, 111117, 185195, 555585, 1370443, 4111329, 6852215, 20556645]

約数ペア:

[(1, 20556645), (3, 6852215), (5, 4111329), (15, 1370443), (37, 555585), (111, 185195), (185, 111117), (555, 37039)]