20525414

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16111}}^1$

素因数の和:16140

約数の個数: 24

約数和(自身を含む): 38572128

約数和(自身を除く): 18046714

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 16111, 32222, 112777, 209443, 225554, 418886, 789439, 1466101, 1578878, 2932202, 10262707, 20525414]

約数ペア:

[(1, 20525414), (2, 10262707), (7, 2932202), (13, 1578878), (14, 1466101), (26, 789439), (49, 418886), (91, 225554), (98, 209443), (182, 112777), (637, 32222), (1274, 16111)]