20893554

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:264

約数の個数: 72

約数和(自身を含む): 50977836

約数和(自身を除く): 30084282

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 53, 66, 99, 106, 121, 159, 181, 198, 242, 318, 362, 363, 477, 543, 583, 726, 954, 1086, 1089, 1166, 1629, 1749, 1991, 2178, 3258, 3498, 3982, 5247, 5973, 6413, 9593, 10494, 11946, 12826, 17919, 19186, 19239, 21901, 28779, 35838, 38478, 43802, 57558, 57717, 65703, 86337, 105523, 115434, 131406, 172674, 197109, 211046, 316569, 394218, 633138, 949707, 1160753, 1899414, 2321506, 3482259, 6964518, 10446777, 20893554]

約数ペア:

[(1, 20893554), (2, 10446777), (3, 6964518), (6, 3482259), (9, 2321506), (11, 1899414), (18, 1160753), (22, 949707), (33, 633138), (53, 394218), (66, 316569), (99, 211046), (106, 197109), (121, 172674), (159, 131406), (181, 115434), (198, 105523), (242, 86337), (318, 65703), (362, 57717), (363, 57558), (477, 43802), (543, 38478), (583, 35838), (726, 28779), (954, 21901), (1086, 19239), (1089, 19186), (1166, 17919), (1629, 12826), (1749, 11946), (1991, 10494), (2178, 9593), (3258, 6413), (3498, 5973), (3982, 5247)]