20683984

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{21911}}^1$

素因数の和:21978

約数の個数: 20

約数和(自身を含む): 40756320

約数和(自身を除く): 20072336

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 21911, 43822, 87644, 175288, 350576, 1292749, 2585498, 5170996, 10341992, 20683984]

約数ペア:

[(1, 20683984), (2, 10341992), (4, 5170996), (8, 2585498), (16, 1292749), (59, 350576), (118, 175288), (236, 87644), (472, 43822), (944, 21911)]