20817668

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{5519}}^1$

素因数の和:5587

約数の個数: 24

約数和(自身を含む): 38949120

約数和(自身を除く): 18131452

約数列:

[1, 2, 4, 23, 41, 46, 82, 92, 164, 943, 1886, 3772, 5519, 11038, 22076, 126937, 226279, 253874, 452558, 507748, 905116, 5204417, 10408834, 20817668]

約数ペア:

[(1, 20817668), (2, 10408834), (4, 5204417), (23, 905116), (41, 507748), (46, 452558), (82, 253874), (92, 226279), (164, 126937), (943, 22076), (1886, 11038), (3772, 5519)]