20497125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{4969}}^1$

素因数の和:4998

約数の個数: 32

約数和(自身を含む): 37215360

約数和(自身を除く): 16718235

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 4969, 14907, 24845, 54659, 74535, 124225, 163977, 273295, 372675, 621125, 819885, 1366475, 1863375, 4099425, 6832375, 20497125]

約数ペア:

[(1, 20497125), (3, 6832375), (5, 4099425), (11, 1863375), (15, 1366475), (25, 819885), (33, 621125), (55, 372675), (75, 273295), (125, 163977), (165, 124225), (275, 74535), (375, 54659), (825, 24845), (1375, 14907), (4125, 4969)]