20707337

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3137}}^1$

素因数の和:3208

約数の個数: 16

約数和(自身を含む): 25304832

約数和(自身を除く): 4597495

約数列:

[1, 7, 23, 41, 161, 287, 943, 3137, 6601, 21959, 72151, 128617, 505057, 900319, 2958191, 20707337]

約数ペア:

[(1, 20707337), (7, 2958191), (23, 900319), (41, 505057), (161, 128617), (287, 72151), (943, 21959), (3137, 6601)]