20216928244

素因数分解:

$2^2\times {\mathrm{509}}^1\times {\mathrm{9929729}}^1$

素因数の和:9930242

約数の個数: 12

約数和(自身を含む): 35449136100

約数和(自身を除く): 15232207856

約数列:

[1, 2, 4, 509, 1018, 2036, 9929729, 19859458, 39718916, 5054232061, 10108464122, 20216928244]

約数ペア:

[(1, 20216928244), (2, 10108464122), (4, 5054232061), (509, 39718916), (1018, 19859458), (2036, 9929729)]