20983310

素因数分解:

$2^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{2161}}^1$

素因数の和:3139

約数の個数: 16

約数和(自身を含む): 37826352

約数和(自身を除く): 16843042

約数列:

[1, 2, 5, 10, 971, 1942, 2161, 4322, 4855, 9710, 10805, 21610, 2098331, 4196662, 10491655, 20983310]

約数ペア:

[(1, 20983310), (2, 10491655), (5, 4196662), (10, 2098331), (971, 21610), (1942, 10805), (2161, 9710), (4322, 4855)]