20321912

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15031}}^1$

素因数の和:15063

約数の個数: 24

約数和(自身を含む): 41262840

約数和(自身を除く): 20940928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15031, 30062, 60124, 120248, 195403, 390806, 781612, 1563224, 2540239, 5080478, 10160956, 20321912]

約数ペア:

[(1, 20321912), (2, 10160956), (4, 5080478), (8, 2540239), (13, 1563224), (26, 781612), (52, 390806), (104, 195403), (169, 120248), (338, 60124), (676, 30062), (1352, 15031)]