20137492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1031}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 37275840

約数和(自身を除く): 17138348

約数列:

[1, 2, 4, 19, 38, 76, 257, 514, 1028, 1031, 2062, 4124, 4883, 9766, 19532, 19589, 39178, 78356, 264967, 529934, 1059868, 5034373, 10068746, 20137492]

約数ペア:

[(1, 20137492), (2, 10068746), (4, 5034373), (19, 1059868), (38, 529934), (76, 264967), (257, 78356), (514, 39178), (1028, 19589), (1031, 19532), (2062, 9766), (4124, 4883)]