20732306

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1901}}^1$

素因数の和:1970

約数の個数: 32

約数和(自身を含む): 38344320

約数和(自身を除く): 17612014

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 1901, 3802, 5453, 10906, 13307, 26614, 36119, 72238, 77941, 155882, 252833, 505666, 545587, 1091174, 1480879, 2961758, 10366153, 20732306]

約数ペア:

[(1, 20732306), (2, 10366153), (7, 2961758), (14, 1480879), (19, 1091174), (38, 545587), (41, 505666), (82, 252833), (133, 155882), (266, 77941), (287, 72238), (574, 36119), (779, 26614), (1558, 13307), (1901, 10906), (3802, 5453)]