20047237

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3037}}^1$

素因数の和:3108

約数の個数: 16

約数和(自身を含む): 24498432

約数和(自身を除く): 4451195

約数列:

[1, 7, 23, 41, 161, 287, 943, 3037, 6601, 21259, 69851, 124517, 488957, 871619, 2863891, 20047237]

約数ペア:

[(1, 20047237), (7, 2863891), (23, 871619), (41, 488957), (161, 124517), (287, 69851), (943, 21259), (3037, 6601)]