20199398261

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1172543}}^1$

素因数の和:1172680

約数の個数: 16

約数和(自身を含む): 24313872384

約数和(自身を除く): 4114474123

約数列:

[1, 7, 23, 107, 161, 749, 2461, 17227, 1172543, 8207801, 26968489, 125462101, 188779423, 878234707, 2885628323, 20199398261]

約数ペア:

[(1, 20199398261), (7, 2885628323), (23, 878234707), (107, 188779423), (161, 125462101), (749, 26968489), (2461, 8207801), (17227, 1172543)]