20956078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1559}}^1$

素因数の和:1632

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 16783442

約数列:

[1, 2, 11, 13, 22, 26, 47, 94, 143, 286, 517, 611, 1034, 1222, 1559, 3118, 6721, 13442, 17149, 20267, 34298, 40534, 73273, 146546, 222937, 445874, 806003, 952549, 1612006, 1905098, 10478039, 20956078]

約数ペア:

[(1, 20956078), (2, 10478039), (11, 1905098), (13, 1612006), (22, 952549), (26, 806003), (47, 445874), (94, 222937), (143, 146546), (286, 73273), (517, 40534), (611, 34298), (1034, 20267), (1222, 17149), (1559, 13442), (3118, 6721)]