20197614969

素因数分解:

$3^2\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{314003}}^1$

素因数の和:315037

約数の個数: 24

約数和(自身を含む): 33374857152

約数和(自身を除く): 13177242183

約数列:

[1, 3, 7, 9, 21, 63, 1021, 3063, 7147, 9189, 21441, 64323, 314003, 942009, 2198021, 2826027, 6594063, 19782189, 320597063, 961791189, 2244179441, 2885373567, 6732538323, 20197614969]

約数ペア:

[(1, 20197614969), (3, 6732538323), (7, 2885373567), (9, 2244179441), (21, 961791189), (63, 320597063), (1021, 19782189), (3063, 6594063), (7147, 2826027), (9189, 2198021), (21441, 942009), (64323, 314003)]