20719994

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{2027}}^1$

素因数の和:2317

約数の個数: 16

約数和(自身を含む): 32853600

約数和(自身を除く): 12133606

約数列:

[1, 2, 19, 38, 269, 538, 2027, 4054, 5111, 10222, 38513, 77026, 545263, 1090526, 10359997, 20719994]

約数ペア:

[(1, 20719994), (2, 10359997), (19, 1090526), (38, 545263), (269, 77026), (538, 38513), (2027, 10222), (4054, 5111)]