20189344

素因数分解:

$2^5\times 7^1\times {\mathrm{193}}^1\times {\mathrm{467}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 45759168

約数和(自身を除く): 25569824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 193, 224, 386, 467, 772, 934, 1351, 1544, 1868, 2702, 3088, 3269, 3736, 5404, 6176, 6538, 7472, 10808, 13076, 14944, 21616, 26152, 43232, 52304, 90131, 104608, 180262, 360524, 630917, 721048, 1261834, 1442096, 2523668, 2884192, 5047336, 10094672, 20189344]

約数ペア:

[(1, 20189344), (2, 10094672), (4, 5047336), (7, 2884192), (8, 2523668), (14, 1442096), (16, 1261834), (28, 721048), (32, 630917), (56, 360524), (112, 180262), (193, 104608), (224, 90131), (386, 52304), (467, 43232), (772, 26152), (934, 21616), (1351, 14944), (1544, 13076), (1868, 10808), (2702, 7472), (3088, 6538), (3269, 6176), (3736, 5404)]