20501566

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{719}}^1$

素因数の和:1043

約数の個数: 16

約数和(自身を含む): 31492800

約数和(自身を除く): 10991234

約数列:

[1, 2, 53, 106, 269, 538, 719, 1438, 14257, 28514, 38107, 76214, 193411, 386822, 10250783, 20501566]

約数ペア:

[(1, 20501566), (2, 10250783), (53, 386822), (106, 193411), (269, 76214), (538, 38107), (719, 28514), (1438, 14257)]