20690189858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18506431}}^1$

素因数の和:18506489

約数の個数: 16

約数和(自身を含む): 34199886336

約数和(自身を除く): 13509696478

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 18506431, 37012862, 240583603, 481167206, 795776533, 1591553066, 10345094929, 20690189858]

約数ペア:

[(1, 20690189858), (2, 10345094929), (13, 1591553066), (26, 795776533), (43, 481167206), (86, 240583603), (559, 37012862), (1118, 18506431)]