20089257

素因数分解:

$3^1\times {\mathrm{17}}^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 32

約数和(自身を含む): 30067200

約数和(自身を除く): 9977943

約数列:

[1, 3, 17, 29, 47, 51, 87, 141, 289, 493, 799, 867, 1363, 1479, 2397, 4089, 4913, 8381, 13583, 14739, 23171, 25143, 40749, 69513, 142477, 230911, 393907, 427431, 692733, 1181721, 6696419, 20089257]

約数ペア:

[(1, 20089257), (3, 6696419), (17, 1181721), (29, 692733), (47, 427431), (51, 393907), (87, 230911), (141, 142477), (289, 69513), (493, 40749), (799, 25143), (867, 23171), (1363, 14739), (1479, 13583), (2397, 8381), (4089, 4913)]