20815272

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{3323}}^1$

素因数の和:3367

約数の個数: 64

約数和(自身を含む): 59832000

約数和(自身を除く): 39016728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 87, 108, 116, 174, 216, 232, 261, 348, 522, 696, 783, 1044, 1566, 2088, 3132, 3323, 6264, 6646, 9969, 13292, 19938, 26584, 29907, 39876, 59814, 79752, 89721, 96367, 119628, 179442, 192734, 239256, 289101, 358884, 385468, 578202, 717768, 770936, 867303, 1156404, 1734606, 2312808, 2601909, 3469212, 5203818, 6938424, 10407636, 20815272]

約数ペア:

[(1, 20815272), (2, 10407636), (3, 6938424), (4, 5203818), (6, 3469212), (8, 2601909), (9, 2312808), (12, 1734606), (18, 1156404), (24, 867303), (27, 770936), (29, 717768), (36, 578202), (54, 385468), (58, 358884), (72, 289101), (87, 239256), (108, 192734), (116, 179442), (174, 119628), (216, 96367), (232, 89721), (261, 79752), (348, 59814), (522, 39876), (696, 29907), (783, 26584), (1044, 19938), (1566, 13292), (2088, 9969), (3132, 6646), (3323, 6264)]