20290765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19417}}^1$

素因数の和:19452

約数の個数: 16

約数和(自身を含む): 27961920

約数和(自身を除く): 7671155

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19417, 97085, 213587, 368923, 1067935, 1844615, 4058153, 20290765]

約数ペア:

[(1, 20290765), (5, 4058153), (11, 1844615), (19, 1067935), (55, 368923), (95, 213587), (209, 97085), (1045, 19417)]