20778855557

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1559}}^1\times {\mathrm{18233}}^1$

素因数の和:19852

約数の個数: 16

約数和(自身を含む): 22528471680

約数和(自身を除く): 1749616123

約数列:

[1, 17, 43, 731, 1559, 18233, 26503, 67037, 309961, 784019, 1139629, 13328323, 28425247, 483229199, 1222285621, 20778855557]

約数ペア:

[(1, 20778855557), (17, 1222285621), (43, 483229199), (731, 28425247), (1559, 13328323), (18233, 1139629), (26503, 784019), (67037, 309961)]