20488754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 36650880

約数和(自身を除く): 16162126

約数列:

[1, 2, 11, 13, 22, 26, 71, 142, 143, 286, 781, 923, 1009, 1562, 1846, 2018, 10153, 11099, 13117, 20306, 22198, 26234, 71639, 143278, 144287, 288574, 788029, 931307, 1576058, 1862614, 10244377, 20488754]

約数ペア:

[(1, 20488754), (2, 10244377), (11, 1862614), (13, 1576058), (22, 931307), (26, 788029), (71, 288574), (142, 144287), (143, 143278), (286, 71639), (781, 26234), (923, 22198), (1009, 20306), (1562, 13117), (1846, 11099), (2018, 10153)]