20948724

素因数分解:

$2^2\times 3^2\times {\mathrm{581909}}^1$

素因数の和:581919

約数の個数: 18

約数和(自身を含む): 52953810

約数和(自身を除く): 32005086

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 581909, 1163818, 1745727, 2327636, 3491454, 5237181, 6982908, 10474362, 20948724]

約数ペア:

[(1, 20948724), (2, 10474362), (3, 6982908), (4, 5237181), (6, 3491454), (9, 2327636), (12, 1745727), (18, 1163818), (36, 581909)]