20645262

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{9479}}^1$

素因数の和:9509

約数の個数: 36

約数和(自身を含む): 49172760

約数和(自身を除く): 28527498

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 9479, 18958, 28437, 56874, 85311, 104269, 170622, 208538, 312807, 625614, 938421, 1146959, 1876842, 2293918, 3440877, 6881754, 10322631, 20645262]

約数ペア:

[(1, 20645262), (2, 10322631), (3, 6881754), (6, 3440877), (9, 2293918), (11, 1876842), (18, 1146959), (22, 938421), (33, 625614), (66, 312807), (99, 208538), (121, 170622), (198, 104269), (242, 85311), (363, 56874), (726, 28437), (1089, 18958), (2178, 9479)]