20729484

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{2729}}^1$

素因数の和:2950

約数の個数: 36

約数和(自身を含む): 52667160

約数和(自身を除く): 31937676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 422, 633, 844, 1266, 1899, 2532, 2729, 3798, 5458, 7596, 8187, 10916, 16374, 24561, 32748, 49122, 98244, 575819, 1151638, 1727457, 2303276, 3454914, 5182371, 6909828, 10364742, 20729484]

約数ペア:

[(1, 20729484), (2, 10364742), (3, 6909828), (4, 5182371), (6, 3454914), (9, 2303276), (12, 1727457), (18, 1151638), (36, 575819), (211, 98244), (422, 49122), (633, 32748), (844, 24561), (1266, 16374), (1899, 10916), (2532, 8187), (2729, 7596), (3798, 5458)]