20469411

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{379}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 31477680

約数和(自身を除く): 11008269

約数列:

[1, 3, 9, 17, 51, 153, 353, 379, 1059, 1137, 3177, 3411, 6001, 6443, 18003, 19329, 54009, 57987, 133787, 401361, 1204083, 2274379, 6823137, 20469411]

約数ペア:

[(1, 20469411), (3, 6823137), (9, 2274379), (17, 1204083), (51, 401361), (153, 133787), (353, 57987), (379, 54009), (1059, 19329), (1137, 18003), (3177, 6443), (3411, 6001)]