20178536

素因数分解:

$2^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1867}}^1$

素因数の和:2073

約数の個数: 32

約数和(自身を含む): 43487040

約数和(自身を除く): 23308504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 193, 386, 772, 1351, 1544, 1867, 2702, 3734, 5404, 7468, 10808, 13069, 14936, 26138, 52276, 104552, 360331, 720662, 1441324, 2522317, 2882648, 5044634, 10089268, 20178536]

約数ペア:

[(1, 20178536), (2, 10089268), (4, 5044634), (7, 2882648), (8, 2522317), (14, 1441324), (28, 720662), (56, 360331), (193, 104552), (386, 52276), (772, 26138), (1351, 14936), (1544, 13069), (1867, 10808), (2702, 7468), (3734, 5404)]