20989512

素因数分解:

$2^3\times 3^2\times {\mathrm{291521}}^1$

素因数の和:291533

約数の個数: 24

約数和(自身を含む): 56846790

約数和(自身を除く): 35857278

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 291521, 583042, 874563, 1166084, 1749126, 2332168, 2623689, 3498252, 5247378, 6996504, 10494756, 20989512]

約数ペア:

[(1, 20989512), (2, 10494756), (3, 6996504), (4, 5247378), (6, 3498252), (8, 2623689), (9, 2332168), (12, 1749126), (18, 1166084), (24, 874563), (36, 583042), (72, 291521)]