20291458

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:654

約数の個数: 24

約数和(自身を含む): 33707520

約数和(自身を除く): 13416062

約数列:

[1, 2, 11, 22, 121, 191, 242, 382, 439, 878, 2101, 4202, 4829, 9658, 23111, 46222, 53119, 83849, 106238, 167698, 922339, 1844678, 10145729, 20291458]

約数ペア:

[(1, 20291458), (2, 10145729), (11, 1844678), (22, 922339), (121, 167698), (191, 106238), (242, 83849), (382, 53119), (439, 46222), (878, 23111), (2101, 9658), (4202, 4829)]