20708026

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{619}}^1$

素因数の和:1053

約数の個数: 16

約数和(自身を含む): 31917600

約数和(自身を除く): 11209574

約数列:

[1, 2, 43, 86, 389, 619, 778, 1238, 16727, 26617, 33454, 53234, 240791, 481582, 10354013, 20708026]

約数ペア:

[(1, 20708026), (2, 10354013), (43, 481582), (86, 240791), (389, 53234), (619, 33454), (778, 26617), (1238, 16727)]