20512031768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{547}}^1\times {\mathrm{275729}}^1$

素因数の和:276299

約数の個数: 32

約数和(自身を含む): 40797010800

約数和(自身を除く): 20284979032

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 547, 1094, 2188, 4376, 9299, 18598, 37196, 74392, 275729, 551458, 1102916, 2205832, 4687393, 9374786, 18749572, 37499144, 150823763, 301647526, 603295052, 1206590104, 2564003971, 5128007942, 10256015884, 20512031768]

約数ペア:

[(1, 20512031768), (2, 10256015884), (4, 5128007942), (8, 2564003971), (17, 1206590104), (34, 603295052), (68, 301647526), (136, 150823763), (547, 37499144), (1094, 18749572), (2188, 9374786), (4376, 4687393), (9299, 2205832), (18598, 1102916), (37196, 551458), (74392, 275729)]