20512321095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{445001}}^1$

素因数の和:445455

約数の個数: 32

約数和(自身を含む): 37593768960

約数和(自身を除く): 17081447865

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 439, 1317, 2195, 3073, 6585, 9219, 15365, 46095, 445001, 1335003, 2225005, 3115007, 6675015, 9345021, 15575035, 46725105, 195355439, 586066317, 976777195, 1367488073, 2930331585, 4102464219, 6837440365, 20512321095]

約数ペア:

[(1, 20512321095), (3, 6837440365), (5, 4102464219), (7, 2930331585), (15, 1367488073), (21, 976777195), (35, 586066317), (105, 195355439), (439, 46725105), (1317, 15575035), (2195, 9345021), (3073, 6675015), (6585, 3115007), (9219, 2225005), (15365, 1335003), (46095, 445001)]