20704205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4637}}^1$

素因数の和:4708

約数の個数: 16

約数和(自身を含む): 26714880

約数和(自身を除く): 6010675

約数列:

[1, 5, 19, 47, 95, 235, 893, 4465, 4637, 23185, 88103, 217939, 440515, 1089695, 4140841, 20704205]

約数ペア:

[(1, 20704205), (5, 4140841), (19, 1089695), (47, 440515), (95, 217939), (235, 88103), (893, 23185), (4465, 4637)]