20675286

素因数分解:

$2^1\times 3^2\times {\mathrm{653}}^1\times {\mathrm{1759}}^1$

素因数の和:2420

約数の個数: 24

約数和(自身を含む): 44890560

約数和(自身を除く): 24215274

約数列:

[1, 2, 3, 6, 9, 18, 653, 1306, 1759, 1959, 3518, 3918, 5277, 5877, 10554, 11754, 15831, 31662, 1148627, 2297254, 3445881, 6891762, 10337643, 20675286]

約数ペア:

[(1, 20675286), (2, 10337643), (3, 6891762), (6, 3445881), (9, 2297254), (18, 1148627), (653, 31662), (1306, 15831), (1759, 11754), (1959, 10554), (3518, 5877), (3918, 5277)]