20862950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21961}}^1$

素因数の和:21992

約数の個数: 24

約数和(自身を含む): 40849320

約数和(自身を除く): 19986370

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 21961, 43922, 109805, 219610, 417259, 549025, 834518, 1098050, 2086295, 4172590, 10431475, 20862950]

約数ペア:

[(1, 20862950), (2, 10431475), (5, 4172590), (10, 2086295), (19, 1098050), (25, 834518), (38, 549025), (50, 417259), (95, 219610), (190, 109805), (475, 43922), (950, 21961)]