20504944

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{4729}}^1$

素因数の和:5008

約数の個数: 20

約数和(自身を含む): 39883360

約数和(自身を除く): 19378416

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 4729, 9458, 18916, 37832, 75664, 1281559, 2563118, 5126236, 10252472, 20504944]

約数ペア:

[(1, 20504944), (2, 10252472), (4, 5126236), (8, 2563118), (16, 1281559), (271, 75664), (542, 37832), (1084, 18916), (2168, 9458), (4336, 4729)]