20102665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19237}}^1$

素因数の和:19272

約数の個数: 16

約数和(自身を含む): 27702720

約数和(自身を除く): 7600055

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19237, 96185, 211607, 365503, 1058035, 1827515, 4020533, 20102665]

約数ペア:

[(1, 20102665), (5, 4020533), (11, 1827515), (19, 1058035), (55, 365503), (95, 211607), (209, 96185), (1045, 19237)]