20557512

素因数分解:

$2^3\times 3^2\times {\mathrm{285521}}^1$

素因数の和:285533

約数の個数: 24

約数和(自身を含む): 55676790

約数和(自身を除く): 35119278

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 285521, 571042, 856563, 1142084, 1713126, 2284168, 2569689, 3426252, 5139378, 6852504, 10278756, 20557512]

約数ペア:

[(1, 20557512), (2, 10278756), (3, 6852504), (4, 5139378), (6, 3426252), (8, 2569689), (9, 2284168), (12, 1713126), (18, 1142084), (24, 856563), (36, 571042), (72, 285521)]