20303211

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1370

約数の個数: 16

約数和(自身を含む): 27828864

約数和(自身を除く): 7525653

約数列:

[1, 3, 67, 83, 201, 249, 1217, 3651, 5561, 16683, 81539, 101011, 244617, 303033, 6767737, 20303211]

約数ペア:

[(1, 20303211), (3, 6767737), (67, 303033), (83, 244617), (201, 101011), (249, 81539), (1217, 16683), (3651, 5561)]