20884703

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1373}}^1$

素因数の和:1474

約数の個数: 16

約数和(自身を含む): 24929856

約数和(自身を除く): 4045153

約数列:

[1, 7, 41, 53, 287, 371, 1373, 2173, 9611, 15211, 56293, 72769, 394051, 509383, 2983529, 20884703]

約数ペア:

[(1, 20884703), (7, 2983529), (41, 509383), (53, 394051), (287, 72769), (371, 56293), (1373, 15211), (2173, 9611)]