320480923

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20249}}^1$

素因数の和:20299

約数の個数: 24

約数和(自身を含む): 415530000

約数和(自身を除く): 95049077

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 833, 931, 2261, 15827, 20249, 141743, 344233, 384731, 992201, 2409631, 2693117, 6540427, 16867417, 18851819, 45782989, 320480923]

約数ペア:

[(1, 320480923), (7, 45782989), (17, 18851819), (19, 16867417), (49, 6540427), (119, 2693117), (133, 2409631), (323, 992201), (833, 384731), (931, 344233), (2261, 141743), (15827, 20249)]