20414750

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{2207}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 39267072

約数和(自身を除く): 18852322

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 925, 1850, 2207, 4414, 4625, 9250, 11035, 22070, 55175, 81659, 110350, 163318, 275875, 408295, 551750, 816590, 2041475, 4082950, 10207375, 20414750]

約数ペア:

[(1, 20414750), (2, 10207375), (5, 4082950), (10, 2041475), (25, 816590), (37, 551750), (50, 408295), (74, 275875), (125, 163318), (185, 110350), (250, 81659), (370, 55175), (925, 22070), (1850, 11035), (2207, 9250), (4414, 4625)]