20431872

素因数分解:

$2^{10}\times 3^3\times {\mathrm{739}}^1$

素因数の和:768

約数の個数: 88

約数和(自身を含む): 60591200

約数和(自身を除く): 40159328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 512, 576, 739, 768, 864, 1024, 1152, 1478, 1536, 1728, 2217, 2304, 2956, 3072, 3456, 4434, 4608, 5912, 6651, 6912, 8868, 9216, 11824, 13302, 13824, 17736, 19953, 23648, 26604, 27648, 35472, 39906, 47296, 53208, 70944, 79812, 94592, 106416, 141888, 159624, 189184, 212832, 283776, 319248, 378368, 425664, 567552, 638496, 756736, 851328, 1135104, 1276992, 1702656, 2270208, 2553984, 3405312, 5107968, 6810624, 10215936, 20431872]

約数ペア:

[(1, 20431872), (2, 10215936), (3, 6810624), (4, 5107968), (6, 3405312), (8, 2553984), (9, 2270208), (12, 1702656), (16, 1276992), (18, 1135104), (24, 851328), (27, 756736), (32, 638496), (36, 567552), (48, 425664), (54, 378368), (64, 319248), (72, 283776), (96, 212832), (108, 189184), (128, 159624), (144, 141888), (192, 106416), (216, 94592), (256, 79812), (288, 70944), (384, 53208), (432, 47296), (512, 39906), (576, 35472), (739, 27648), (768, 26604), (864, 23648), (1024, 19953), (1152, 17736), (1478, 13824), (1536, 13302), (1728, 11824), (2217, 9216), (2304, 8868), (2956, 6912), (3072, 6651), (3456, 5912), (4434, 4608)]