20468567

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2297}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 25002240

約数和(自身を除く): 4533673

約数列:

[1, 7, 19, 67, 133, 469, 1273, 2297, 8911, 16079, 43643, 153899, 305501, 1077293, 2924081, 20468567]

約数ペア:

[(1, 20468567), (7, 2924081), (19, 1077293), (67, 305501), (133, 153899), (469, 43643), (1273, 16079), (2297, 8911)]