20725771

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{809}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 24144480

約数和(自身を除く): 3418709

約数列:

[1, 11, 17, 137, 187, 809, 1507, 2329, 8899, 13753, 25619, 110833, 151283, 1219163, 1884161, 20725771]

約数ペア:

[(1, 20725771), (11, 1884161), (17, 1219163), (137, 151283), (187, 110833), (809, 25619), (1507, 13753), (2329, 8899)]