20218457085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{410819}}^1$

素因数の和:411037

約数の個数: 32

約数和(自身を含む): 34430002560

約数和(自身を除く): 14211545475

約数列:

[1, 3, 5, 15, 17, 51, 85, 193, 255, 579, 965, 2895, 3281, 9843, 16405, 49215, 410819, 1232457, 2054095, 6162285, 6983923, 20951769, 34919615, 79288067, 104758845, 237864201, 396440335, 1189321005, 1347897139, 4043691417, 6739485695, 20218457085]

約数ペア:

[(1, 20218457085), (3, 6739485695), (5, 4043691417), (15, 1347897139), (17, 1189321005), (51, 396440335), (85, 237864201), (193, 104758845), (255, 79288067), (579, 34919615), (965, 20951769), (2895, 6983923), (3281, 6162285), (9843, 2054095), (16405, 1232457), (49215, 410819)]