20934333

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17489}}^1$

素因数の和:17521

約数の個数: 24

約数和(自身を含む): 36379200

約数和(自身を除く): 15444867

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 17489, 52467, 122423, 157401, 332291, 367269, 996873, 1101807, 2326037, 2990619, 6978111, 20934333]

約数ペア:

[(1, 20934333), (3, 6978111), (7, 2990619), (9, 2326037), (19, 1101807), (21, 996873), (57, 367269), (63, 332291), (133, 157401), (171, 122423), (399, 52467), (1197, 17489)]