20941272

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 62646480

約数和(自身を除く): 41705208

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 137, 193, 198, 264, 274, 386, 396, 411, 548, 579, 772, 792, 822, 1096, 1158, 1233, 1507, 1544, 1644, 1737, 2123, 2316, 2466, 3014, 3288, 3474, 4246, 4521, 4632, 4932, 6028, 6369, 6948, 8492, 9042, 9864, 12056, 12738, 13563, 13896, 16984, 18084, 19107, 25476, 26441, 27126, 36168, 38214, 50952, 52882, 54252, 76428, 79323, 105764, 108504, 152856, 158646, 211528, 237969, 290851, 317292, 475938, 581702, 634584, 872553, 951876, 1163404, 1745106, 1903752, 2326808, 2617659, 3490212, 5235318, 6980424, 10470636, 20941272]

約数ペア:

[(1, 20941272), (2, 10470636), (3, 6980424), (4, 5235318), (6, 3490212), (8, 2617659), (9, 2326808), (11, 1903752), (12, 1745106), (18, 1163404), (22, 951876), (24, 872553), (33, 634584), (36, 581702), (44, 475938), (66, 317292), (72, 290851), (88, 237969), (99, 211528), (132, 158646), (137, 152856), (193, 108504), (198, 105764), (264, 79323), (274, 76428), (386, 54252), (396, 52882), (411, 50952), (548, 38214), (579, 36168), (772, 27126), (792, 26441), (822, 25476), (1096, 19107), (1158, 18084), (1233, 16984), (1507, 13896), (1544, 13563), (1644, 12738), (1737, 12056), (2123, 9864), (2316, 9042), (2466, 8492), (3014, 6948), (3288, 6369), (3474, 6028), (4246, 4932), (4521, 4632)]