20920048

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17911}}^1$

素因数の和:17992

約数の個数: 20

約数和(自身を含む): 41090128

約数和(自身を除く): 20170080

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17911, 35822, 71644, 143288, 286576, 1307503, 2615006, 5230012, 10460024, 20920048]

約数ペア:

[(1, 20920048), (2, 10460024), (4, 5230012), (8, 2615006), (16, 1307503), (73, 286576), (146, 143288), (292, 71644), (584, 35822), (1168, 17911)]