20298878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1901}}^1$

素因数の和:2203

約数の個数: 16

約数和(自身を含む): 32181840

約数和(自身を除く): 11882962

約数列:

[1, 2, 19, 38, 281, 562, 1901, 3802, 5339, 10678, 36119, 72238, 534181, 1068362, 10149439, 20298878]

約数ペア:

[(1, 20298878), (2, 10149439), (19, 1068362), (38, 534181), (281, 72238), (562, 36119), (1901, 10678), (3802, 5339)]