20389798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71293}}^1$

素因数の和:71319

約数の個数: 16

約数和(自身を含む): 35932176

約数和(自身を除く): 15542378

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71293, 142586, 784223, 926809, 1568446, 1853618, 10194899, 20389798]

約数ペア:

[(1, 20389798), (2, 10194899), (11, 1853618), (13, 1568446), (22, 926809), (26, 784223), (143, 142586), (286, 71293)]