20590790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{187189}}^1$

素因数の和:187207

約数の個数: 16

約数和(自身を含む): 40433040

約数和(自身を除く): 19842250

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 187189, 374378, 935945, 1871890, 2059079, 4118158, 10295395, 20590790]

約数ペア:

[(1, 20590790), (2, 10295395), (5, 4118158), (10, 2059079), (11, 1871890), (22, 935945), (55, 374378), (110, 187189)]