20557035

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4523}}^1$

素因数の和:4635

約数の個数: 24

約数和(自身を含む): 35992944

約数和(自身を除く): 15435909

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4523, 4545, 13569, 22615, 40707, 67845, 203535, 456823, 1370469, 2284115, 4111407, 6852345, 20557035]

約数ペア:

[(1, 20557035), (3, 6852345), (5, 4111407), (9, 2284115), (15, 1370469), (45, 456823), (101, 203535), (303, 67845), (505, 40707), (909, 22615), (1515, 13569), (4523, 4545)]