20988250

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{2269}}^1$

素因数の和:2323

約数の個数: 32

約数和(自身を含む): 40369680

約数和(自身を除く): 19381430

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 925, 1850, 2269, 4538, 4625, 9250, 11345, 22690, 56725, 83953, 113450, 167906, 283625, 419765, 567250, 839530, 2098825, 4197650, 10494125, 20988250]

約数ペア:

[(1, 20988250), (2, 10494125), (5, 4197650), (10, 2098825), (25, 839530), (37, 567250), (50, 419765), (74, 283625), (125, 167906), (185, 113450), (250, 83953), (370, 56725), (925, 22690), (1850, 11345), (2269, 9250), (4538, 4625)]