20967191

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4201}}^1$

素因数の和:4262

約数の個数: 16

約数和(自身を含む): 25817088

約数和(自身を除く): 4849897

約数列:

[1, 7, 23, 31, 161, 217, 713, 4201, 4991, 29407, 96623, 130231, 676361, 911617, 2995313, 20967191]

約数ペア:

[(1, 20967191), (7, 2995313), (23, 911617), (31, 676361), (161, 130231), (217, 96623), (713, 29407), (4201, 4991)]