20539774

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{2297}}^1$

素因数の和:2579

約数の個数: 16

約数和(自身を含む): 32760288

約数和(自身を除く): 12220514

約数列:

[1, 2, 17, 34, 263, 526, 2297, 4471, 4594, 8942, 39049, 78098, 604111, 1208222, 10269887, 20539774]

約数ペア:

[(1, 20539774), (2, 10269887), (17, 1208222), (34, 604111), (263, 78098), (526, 39049), (2297, 8942), (4471, 4594)]