20211069

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{617}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 27587520

約数和(自身を除く): 7376451

約数列:

[1, 3, 61, 179, 183, 537, 617, 1851, 10919, 32757, 37637, 110443, 112911, 331329, 6737023, 20211069]

約数ペア:

[(1, 20211069), (3, 6737023), (61, 331329), (179, 112911), (183, 110443), (537, 37637), (617, 32757), (1851, 10919)]