20952379

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{719}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 4207301

約数列:

[1, 7, 23, 161, 181, 719, 1267, 4163, 5033, 16537, 29141, 115759, 130139, 910973, 2993197, 20952379]

約数ペア:

[(1, 20952379), (7, 2993197), (23, 910973), (161, 130139), (181, 115759), (719, 29141), (1267, 16537), (4163, 5033)]