20155995

素因数分解:

$3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1069}}^1$

素因数の和:1499

約数の個数: 24

約数和(自身を含む): 35053200

約数和(自身を除く): 14897205

約数列:

[1, 3, 5, 9, 15, 45, 419, 1069, 1257, 2095, 3207, 3771, 5345, 6285, 9621, 16035, 18855, 48105, 447911, 1343733, 2239555, 4031199, 6718665, 20155995]

約数ペア:

[(1, 20155995), (3, 6718665), (5, 4031199), (9, 2239555), (15, 1343733), (45, 447911), (419, 48105), (1069, 18855), (1257, 16035), (2095, 9621), (3207, 6285), (3771, 5345)]