20956744

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84503}}^1$

素因数の和:84540

約数の個数: 16

約数和(自身を含む): 40561920

約数和(自身を除く): 19605176

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84503, 169006, 338012, 676024, 2619593, 5239186, 10478372, 20956744]

約数ペア:

[(1, 20956744), (2, 10478372), (4, 5239186), (8, 2619593), (31, 676024), (62, 338012), (124, 169006), (248, 84503)]