20753514

素因数分解:

$2^1\times 3^2\times {\mathrm{521}}^1\times {\mathrm{2213}}^1$

素因数の和:2742

約数の個数: 24

約数和(自身を含む): 45072612

約数和(自身を除く): 24319098

約数列:

[1, 2, 3, 6, 9, 18, 521, 1042, 1563, 2213, 3126, 4426, 4689, 6639, 9378, 13278, 19917, 39834, 1152973, 2305946, 3458919, 6917838, 10376757, 20753514]

約数ペア:

[(1, 20753514), (2, 10376757), (3, 6917838), (6, 3458919), (9, 2305946), (18, 1152973), (521, 39834), (1042, 19917), (1563, 13278), (2213, 9378), (3126, 6639), (4426, 4689)]