20809448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{236471}}^1$

素因数の和:236488

約数の個数: 16

約数和(自身を含む): 42564960

約数和(自身を除く): 21755512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 236471, 472942, 945884, 1891768, 2601181, 5202362, 10404724, 20809448]

約数ペア:

[(1, 20809448), (2, 10404724), (4, 5202362), (8, 2601181), (11, 1891768), (22, 945884), (44, 472942), (88, 236471)]