20557668

素因数分解:

$2^2\times 3^1\times {\mathrm{347}}^1\times {\mathrm{4937}}^1$

素因数の和:5291

約数の個数: 24

約数和(自身を含む): 48115872

約数和(自身を除く): 27558204

約数列:

[1, 2, 3, 4, 6, 12, 347, 694, 1041, 1388, 2082, 4164, 4937, 9874, 14811, 19748, 29622, 59244, 1713139, 3426278, 5139417, 6852556, 10278834, 20557668]

約数ペア:

[(1, 20557668), (2, 10278834), (3, 6852556), (4, 5139417), (6, 3426278), (12, 1713139), (347, 59244), (694, 29622), (1041, 19748), (1388, 14811), (2082, 9874), (4164, 4937)]