20904686

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{7853}}^1$

素因数の和:7888

約数の個数: 16

約数和(自身を含む): 34494768

約数和(自身を除く): 13590082

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 7853, 15706, 86383, 172766, 950213, 1900426, 10452343, 20904686]

約数ペア:

[(1, 20904686), (2, 10452343), (11, 1900426), (22, 950213), (121, 172766), (242, 86383), (1331, 15706), (2662, 7853)]