20644855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53623}}^1$

素因数の和:53646

約数の個数: 16

約数和(自身を含む): 30887424

約数和(自身を除く): 10242569

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 53623, 268115, 375361, 589853, 1876805, 2949265, 4128971, 20644855]

約数ペア:

[(1, 20644855), (5, 4128971), (7, 2949265), (11, 1876805), (35, 589853), (55, 375361), (77, 268115), (385, 53623)]