20481725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 28123200

約数和(自身を除く): 7641475

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 1049, 1775, 3905, 5245, 11539, 19525, 26225, 57695, 74479, 288475, 372395, 819269, 1861975, 4096345, 20481725]

約数ペア:

[(1, 20481725), (5, 4096345), (11, 1861975), (25, 819269), (55, 372395), (71, 288475), (275, 74479), (355, 57695), (781, 26225), (1049, 19525), (1775, 11539), (3905, 5245)]